Home / 15,502.20-23,253.25-4,257.55

Finding the Fourth Proportional to 15,502.20, 23,253.25 and 4,257.55

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Solution

The fourth proportional to 15,502.20, 23,253.25 and 4,257.55 is: 6,386.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.20 : 23,253.25 = 4,257.55 : x
  2. Step 2: Convert to fraction form
    15,502.20/23,253.25 = 4,257.55/x
  3. Step 3: Cross multiply
    15,502.20x = 23,253.25 × 4,257.55
  4. Step 4: Simplify right side
    15,502.20x = 99,001,934.72
  5. Step 5: Solve for x
    x = 99,001,934.72/15,502.20
  6. Step 6: Final answer
    x = 6,386.31

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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.