Home / 25,947.12-38,906.76-8,174.46

Finding the Fourth Proportional to 25,947.12, 38,906.76 and 8,174.46

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Solution

The fourth proportional to 25,947.12, 38,906.76 and 8,174.46 is: 12,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.12 : 38,906.76 = 8,174.46 : x
  2. Step 2: Convert to fraction form
    25,947.12/38,906.76 = 8,174.46/x
  3. Step 3: Cross multiply
    25,947.12x = 38,906.76 × 8,174.46
  4. Step 4: Simplify right side
    25,947.12x = 318,041,753.35
  5. Step 5: Solve for x
    x = 318,041,753.35/25,947.12
  6. Step 6: Final answer
    x = 12,257.30

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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.