Home / 18,864.71-28,301.45-5,537.17

Finding the Fourth Proportional to 18,864.71, 28,301.45 and 5,537.17

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Solution

The fourth proportional to 18,864.71, 28,301.45 and 5,537.17 is: 8,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.71 : 28,301.45 = 5,537.17 : x
  2. Step 2: Convert to fraction form
    18,864.71/28,301.45 = 5,537.17/x
  3. Step 3: Cross multiply
    18,864.71x = 28,301.45 × 5,537.17
  4. Step 4: Simplify right side
    18,864.71x = 156,709,939.90
  5. Step 5: Solve for x
    x = 156,709,939.90/18,864.71
  6. Step 6: Final answer
    x = 8,307.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.