Home / 13,627.53-18,799.29-8,313.12

Finding the Fourth Proportional to 13,627.53, 18,799.29 and 8,313.12

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Solution

The fourth proportional to 13,627.53, 18,799.29 and 8,313.12 is: 11,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.53 : 18,799.29 = 8,313.12 : x
  2. Step 2: Convert to fraction form
    13,627.53/18,799.29 = 8,313.12/x
  3. Step 3: Cross multiply
    13,627.53x = 18,799.29 × 8,313.12
  4. Step 4: Simplify right side
    13,627.53x = 156,280,753.68
  5. Step 5: Solve for x
    x = 156,280,753.68/13,627.53
  6. Step 6: Final answer
    x = 11,468.02

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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.