Home / 10,516.47-15,770.09-3,938.04

Finding the Fourth Proportional to 10,516.47, 15,770.09 and 3,938.04

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Solution

The fourth proportional to 10,516.47, 15,770.09 and 3,938.04 is: 5,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.47 : 15,770.09 = 3,938.04 : x
  2. Step 2: Convert to fraction form
    10,516.47/15,770.09 = 3,938.04/x
  3. Step 3: Cross multiply
    10,516.47x = 15,770.09 × 3,938.04
  4. Step 4: Simplify right side
    10,516.47x = 62,103,225.53
  5. Step 5: Solve for x
    x = 62,103,225.53/10,516.47
  6. Step 6: Final answer
    x = 5,905.33

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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.