Home / 15,665.52-21,614.40-9,373.44

Finding the Fourth Proportional to 15,665.52, 21,614.40 and 9,373.44

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Solution

The fourth proportional to 15,665.52, 21,614.40 and 9,373.44 is: 12,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665.52 : 21,614.40 = 9,373.44 : x
  2. Step 2: Convert to fraction form
    15,665.52/21,614.40 = 9,373.44/x
  3. Step 3: Cross multiply
    15,665.52x = 21,614.40 × 9,373.44
  4. Step 4: Simplify right side
    15,665.52x = 202,601,281.54
  5. Step 5: Solve for x
    x = 202,601,281.54/15,665.52
  6. Step 6: Final answer
    x = 12,932.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.