Home / 15,314.96-22,972.90-4,221.56

Finding the Fourth Proportional to 15,314.96, 22,972.90 and 4,221.56

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Solution

The fourth proportional to 15,314.96, 22,972.90 and 4,221.56 is: 6,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.96 : 22,972.90 = 4,221.56 : x
  2. Step 2: Convert to fraction form
    15,314.96/22,972.90 = 4,221.56/x
  3. Step 3: Cross multiply
    15,314.96x = 22,972.90 × 4,221.56
  4. Step 4: Simplify right side
    15,314.96x = 96,981,475.72
  5. Step 5: Solve for x
    x = 96,981,475.72/15,314.96
  6. Step 6: Final answer
    x = 6,332.47

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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.