Home / 18,469.12-25,487.05-10,511.17

Finding the Fourth Proportional to 18,469.12, 25,487.05 and 10,511.17

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Solution

The fourth proportional to 18,469.12, 25,487.05 and 10,511.17 is: 14,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.12 : 25,487.05 = 10,511.17 : x
  2. Step 2: Convert to fraction form
    18,469.12/25,487.05 = 10,511.17/x
  3. Step 3: Cross multiply
    18,469.12x = 25,487.05 × 10,511.17
  4. Step 4: Simplify right side
    18,469.12x = 267,898,715.35
  5. Step 5: Solve for x
    x = 267,898,715.35/18,469.12
  6. Step 6: Final answer
    x = 14,505.22

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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.