Home / 10,353.08-15,529.76-2,957.78

Finding the Fourth Proportional to 10,353.08, 15,529.76 and 2,957.78

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Solution

The fourth proportional to 10,353.08, 15,529.76 and 2,957.78 is: 4,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.08 : 15,529.76 = 2,957.78 : x
  2. Step 2: Convert to fraction form
    10,353.08/15,529.76 = 2,957.78/x
  3. Step 3: Cross multiply
    10,353.08x = 15,529.76 × 2,957.78
  4. Step 4: Simplify right side
    10,353.08x = 45,933,521.10
  5. Step 5: Solve for x
    x = 45,933,521.10/10,353.08
  6. Step 6: Final answer
    x = 4,436.70

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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.