Home / 18,864.24-28,292.56-5,713.52

Finding the Fourth Proportional to 18,864.24, 28,292.56 and 5,713.52

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Solution

The fourth proportional to 18,864.24, 28,292.56 and 5,713.52 is: 8,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.24 : 28,292.56 = 5,713.52 : x
  2. Step 2: Convert to fraction form
    18,864.24/28,292.56 = 5,713.52/x
  3. Step 3: Cross multiply
    18,864.24x = 28,292.56 × 5,713.52
  4. Step 4: Simplify right side
    18,864.24x = 161,650,107.41
  5. Step 5: Solve for x
    x = 161,650,107.41/18,864.24
  6. Step 6: Final answer
    x = 8,569.13

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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.