Home / 13,351.50-18,424.77-7,383.22

Finding the Fourth Proportional to 13,351.50, 18,424.77 and 7,383.22

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Solution

The fourth proportional to 13,351.50, 18,424.77 and 7,383.22 is: 10,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.50 : 18,424.77 = 7,383.22 : x
  2. Step 2: Convert to fraction form
    13,351.50/18,424.77 = 7,383.22/x
  3. Step 3: Cross multiply
    13,351.50x = 18,424.77 × 7,383.22
  4. Step 4: Simplify right side
    13,351.50x = 136,034,056.61
  5. Step 5: Solve for x
    x = 136,034,056.61/13,351.50
  6. Step 6: Final answer
    x = 10,188.67

Related Problems

Find fourth proportional to 6,675.75, 9,212.38 and 3,691.61
Half scale
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Double scale
Find fourth proportional to 13,352.50, 18,426.15 and 7,384.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.