Home / 10,546.53-15,819.83-3,970.95

Finding the Fourth Proportional to 10,546.53, 15,819.83 and 3,970.95

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Solution

The fourth proportional to 10,546.53, 15,819.83 and 3,970.95 is: 5,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.53 : 15,819.83 = 3,970.95 : x
  2. Step 2: Convert to fraction form
    10,546.53/15,819.83 = 3,970.95/x
  3. Step 3: Cross multiply
    10,546.53x = 15,819.83 × 3,970.95
  4. Step 4: Simplify right side
    10,546.53x = 62,819,753.94
  5. Step 5: Solve for x
    x = 62,819,753.94/10,546.53
  6. Step 6: Final answer
    x = 5,956.44

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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.