Home / 15,502.28-23,216.45-8,471.75

Finding the Fourth Proportional to 15,502.28, 23,216.45 and 8,471.75

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Solution

The fourth proportional to 15,502.28, 23,216.45 and 8,471.75 is: 12,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.28 : 23,216.45 = 8,471.75 : x
  2. Step 2: Convert to fraction form
    15,502.28/23,216.45 = 8,471.75/x
  3. Step 3: Cross multiply
    15,502.28x = 23,216.45 × 8,471.75
  4. Step 4: Simplify right side
    15,502.28x = 196,683,801.85
  5. Step 5: Solve for x
    x = 196,683,801.85/15,502.28
  6. Step 6: Final answer
    x = 12,687.42

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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.