Home / 10,516.01-15,777.10-3,942.71

Finding the Fourth Proportional to 10,516.01, 15,777.10 and 3,942.71

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Solution

The fourth proportional to 10,516.01, 15,777.10 and 3,942.71 is: 5,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.01 : 15,777.10 = 3,942.71 : x
  2. Step 2: Convert to fraction form
    10,516.01/15,777.10 = 3,942.71/x
  3. Step 3: Cross multiply
    10,516.01x = 15,777.10 × 3,942.71
  4. Step 4: Simplify right side
    10,516.01x = 62,204,492.97
  5. Step 5: Solve for x
    x = 62,204,492.97/10,516.01
  6. Step 6: Final answer
    x = 5,915.22

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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.