Home / 25,436.31-38,155.68-12,299.73

Finding the Fourth Proportional to 25,436.31, 38,155.68 and 12,299.73

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Solution

The fourth proportional to 25,436.31, 38,155.68 and 12,299.73 is: 18,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.31 : 38,155.68 = 12,299.73 : x
  2. Step 2: Convert to fraction form
    25,436.31/38,155.68 = 12,299.73/x
  3. Step 3: Cross multiply
    25,436.31x = 38,155.68 × 12,299.73
  4. Step 4: Simplify right side
    25,436.31x = 469,304,561.97
  5. Step 5: Solve for x
    x = 469,304,561.97/25,436.31
  6. Step 6: Final answer
    x = 18,450.18

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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.