Home / 16,812.13-23,207.08-13,217.71

Finding the Fourth Proportional to 16,812.13, 23,207.08 and 13,217.71

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Solution

The fourth proportional to 16,812.13, 23,207.08 and 13,217.71 is: 18,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.13 : 23,207.08 = 13,217.71 : x
  2. Step 2: Convert to fraction form
    16,812.13/23,207.08 = 13,217.71/x
  3. Step 3: Cross multiply
    16,812.13x = 23,207.08 × 13,217.71
  4. Step 4: Simplify right side
    16,812.13x = 306,744,387.30
  5. Step 5: Solve for x
    x = 306,744,387.30/16,812.13
  6. Step 6: Final answer
    x = 18,245.42

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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.