Home / 10,918.38-16,377.57-4,677.87

Finding the Fourth Proportional to 10,918.38, 16,377.57 and 4,677.87

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Solution

The fourth proportional to 10,918.38, 16,377.57 and 4,677.87 is: 7,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.38 : 16,377.57 = 4,677.87 : x
  2. Step 2: Convert to fraction form
    10,918.38/16,377.57 = 4,677.87/x
  3. Step 3: Cross multiply
    10,918.38x = 16,377.57 × 4,677.87
  4. Step 4: Simplify right side
    10,918.38x = 76,612,143.38
  5. Step 5: Solve for x
    x = 76,612,143.38/10,918.38
  6. Step 6: Final answer
    x = 7,016.81

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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.