Home / 21,654.15-32,481.45-7,614.57

Finding the Fourth Proportional to 21,654.15, 32,481.45 and 7,614.57

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Solution

The fourth proportional to 21,654.15, 32,481.45 and 7,614.57 is: 11,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.15 : 32,481.45 = 7,614.57 : x
  2. Step 2: Convert to fraction form
    21,654.15/32,481.45 = 7,614.57/x
  3. Step 3: Cross multiply
    21,654.15x = 32,481.45 × 7,614.57
  4. Step 4: Simplify right side
    21,654.15x = 247,332,274.73
  5. Step 5: Solve for x
    x = 247,332,274.73/21,654.15
  6. Step 6: Final answer
    x = 11,421.93

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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.