Home / 10,154.12-15,233.76-3,912.44

Finding the Fourth Proportional to 10,154.12, 15,233.76 and 3,912.44

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Solution

The fourth proportional to 10,154.12, 15,233.76 and 3,912.44 is: 5,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.12 : 15,233.76 = 3,912.44 : x
  2. Step 2: Convert to fraction form
    10,154.12/15,233.76 = 3,912.44/x
  3. Step 3: Cross multiply
    10,154.12x = 15,233.76 × 3,912.44
  4. Step 4: Simplify right side
    10,154.12x = 59,601,095.81
  5. Step 5: Solve for x
    x = 59,601,095.81/10,154.12
  6. Step 6: Final answer
    x = 5,869.65

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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.