Home / 10,519.79-15,787.85-3,951.95

Finding the Fourth Proportional to 10,519.79, 15,787.85 and 3,951.95

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Solution

The fourth proportional to 10,519.79, 15,787.85 and 3,951.95 is: 5,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.79 : 15,787.85 = 3,951.95 : x
  2. Step 2: Convert to fraction form
    10,519.79/15,787.85 = 3,951.95/x
  3. Step 3: Cross multiply
    10,519.79x = 15,787.85 × 3,951.95
  4. Step 4: Simplify right side
    10,519.79x = 62,392,793.81
  5. Step 5: Solve for x
    x = 62,392,793.81/10,519.79
  6. Step 6: Final answer
    x = 5,930.99

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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.