Home / 14,227.92-21,288.42-9,853.92

Finding the Fourth Proportional to 14,227.92, 21,288.42 and 9,853.92

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Solution

The fourth proportional to 14,227.92, 21,288.42 and 9,853.92 is: 14,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.92 : 21,288.42 = 9,853.92 : x
  2. Step 2: Convert to fraction form
    14,227.92/21,288.42 = 9,853.92/x
  3. Step 3: Cross multiply
    14,227.92x = 21,288.42 × 9,853.92
  4. Step 4: Simplify right side
    14,227.92x = 209,774,387.61
  5. Step 5: Solve for x
    x = 209,774,387.61/14,227.92
  6. Step 6: Final answer
    x = 14,743.85

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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.