Home / 9,919.10-14,869.17-3,677.44

Finding the Fourth Proportional to 9,919.10, 14,869.17 and 3,677.44

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Solution

The fourth proportional to 9,919.10, 14,869.17 and 3,677.44 is: 5,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.10 : 14,869.17 = 3,677.44 : x
  2. Step 2: Convert to fraction form
    9,919.10/14,869.17 = 3,677.44/x
  3. Step 3: Cross multiply
    9,919.10x = 14,869.17 × 3,677.44
  4. Step 4: Simplify right side
    9,919.10x = 54,680,480.52
  5. Step 5: Solve for x
    x = 54,680,480.52/9,919.10
  6. Step 6: Final answer
    x = 5,512.65

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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.