Home / 10,377.09-15,568.10-2,981.38

Finding the Fourth Proportional to 10,377.09, 15,568.10 and 2,981.38

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Solution

The fourth proportional to 10,377.09, 15,568.10 and 2,981.38 is: 4,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.09 : 15,568.10 = 2,981.38 : x
  2. Step 2: Convert to fraction form
    10,377.09/15,568.10 = 2,981.38/x
  3. Step 3: Cross multiply
    10,377.09x = 15,568.10 × 2,981.38
  4. Step 4: Simplify right side
    10,377.09x = 46,414,421.98
  5. Step 5: Solve for x
    x = 46,414,421.98/10,377.09
  6. Step 6: Final answer
    x = 4,472.78

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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.