Home / 15,640.10-23,461.64-4,395.42

Finding the Fourth Proportional to 15,640.10, 23,461.64 and 4,395.42

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Solution

The fourth proportional to 15,640.10, 23,461.64 and 4,395.42 is: 6,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.10 : 23,461.64 = 4,395.42 : x
  2. Step 2: Convert to fraction form
    15,640.10/23,461.64 = 4,395.42/x
  3. Step 3: Cross multiply
    15,640.10x = 23,461.64 × 4,395.42
  4. Step 4: Simplify right side
    15,640.10x = 103,123,761.69
  5. Step 5: Solve for x
    x = 103,123,761.69/15,640.10
  6. Step 6: Final answer
    x = 6,593.55

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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.