Home / 19,233.09-28,839.42-9,869.31

Finding the Fourth Proportional to 19,233.09, 28,839.42 and 9,869.31

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Solution

The fourth proportional to 19,233.09, 28,839.42 and 9,869.31 is: 14,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.09 : 28,839.42 = 9,869.31 : x
  2. Step 2: Convert to fraction form
    19,233.09/28,839.42 = 9,869.31/x
  3. Step 3: Cross multiply
    19,233.09x = 28,839.42 × 9,869.31
  4. Step 4: Simplify right side
    19,233.09x = 284,625,176.20
  5. Step 5: Solve for x
    x = 284,625,176.20/19,233.09
  6. Step 6: Final answer
    x = 14,798.72

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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.