Home / 18,599.28-25,657.50-11,877.84

Finding the Fourth Proportional to 18,599.28, 25,657.50 and 11,877.84

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Solution

The fourth proportional to 18,599.28, 25,657.50 and 11,877.84 is: 16,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.28 : 25,657.50 = 11,877.84 : x
  2. Step 2: Convert to fraction form
    18,599.28/25,657.50 = 11,877.84/x
  3. Step 3: Cross multiply
    18,599.28x = 25,657.50 × 11,877.84
  4. Step 4: Simplify right side
    18,599.28x = 304,755,679.80
  5. Step 5: Solve for x
    x = 304,755,679.80/18,599.28
  6. Step 6: Final answer
    x = 16,385.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.