Home / 14,782.52-22,182.42-8,939.72

Finding the Fourth Proportional to 14,782.52, 22,182.42 and 8,939.72

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Solution

The fourth proportional to 14,782.52, 22,182.42 and 8,939.72 is: 13,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.52 : 22,182.42 = 8,939.72 : x
  2. Step 2: Convert to fraction form
    14,782.52/22,182.42 = 8,939.72/x
  3. Step 3: Cross multiply
    14,782.52x = 22,182.42 × 8,939.72
  4. Step 4: Simplify right side
    14,782.52x = 198,304,623.72
  5. Step 5: Solve for x
    x = 198,304,623.72/14,782.52
  6. Step 6: Final answer
    x = 13,414.81

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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.