Home / 10,604.38-15,913.68-4,761.40

Finding the Fourth Proportional to 10,604.38, 15,913.68 and 4,761.40

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Solution

The fourth proportional to 10,604.38, 15,913.68 and 4,761.40 is: 7,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.38 : 15,913.68 = 4,761.40 : x
  2. Step 2: Convert to fraction form
    10,604.38/15,913.68 = 4,761.40/x
  3. Step 3: Cross multiply
    10,604.38x = 15,913.68 × 4,761.40
  4. Step 4: Simplify right side
    10,604.38x = 75,771,395.95
  5. Step 5: Solve for x
    x = 75,771,395.95/10,604.38
  6. Step 6: Final answer
    x = 7,145.29

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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.