Home / 13,087.96-18,060.98-7,423.22

Finding the Fourth Proportional to 13,087.96, 18,060.98 and 7,423.22

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Solution

The fourth proportional to 13,087.96, 18,060.98 and 7,423.22 is: 10,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.96 : 18,060.98 = 7,423.22 : x
  2. Step 2: Convert to fraction form
    13,087.96/18,060.98 = 7,423.22/x
  3. Step 3: Cross multiply
    13,087.96x = 18,060.98 × 7,423.22
  4. Step 4: Simplify right side
    13,087.96x = 134,070,627.96
  5. Step 5: Solve for x
    x = 134,070,627.96/13,087.96
  6. Step 6: Final answer
    x = 10,243.81

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Half scale
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Double scale
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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.