Home / 13,534.35-18,677.28-7,484.59

Finding the Fourth Proportional to 13,534.35, 18,677.28 and 7,484.59

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Solution

The fourth proportional to 13,534.35, 18,677.28 and 7,484.59 is: 10,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.35 : 18,677.28 = 7,484.59 : x
  2. Step 2: Convert to fraction form
    13,534.35/18,677.28 = 7,484.59/x
  3. Step 3: Cross multiply
    13,534.35x = 18,677.28 × 7,484.59
  4. Step 4: Simplify right side
    13,534.35x = 139,791,783.12
  5. Step 5: Solve for x
    x = 139,791,783.12/13,534.35
  6. Step 6: Final answer
    x = 10,328.67

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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.