Home / 10,269.13-14,167.90-8,377.42

Finding the Fourth Proportional to 10,269.13, 14,167.90 and 8,377.42

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Solution

The fourth proportional to 10,269.13, 14,167.90 and 8,377.42 is: 11,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.13 : 14,167.90 = 8,377.42 : x
  2. Step 2: Convert to fraction form
    10,269.13/14,167.90 = 8,377.42/x
  3. Step 3: Cross multiply
    10,269.13x = 14,167.90 × 8,377.42
  4. Step 4: Simplify right side
    10,269.13x = 118,690,336.09
  5. Step 5: Solve for x
    x = 118,690,336.09/10,269.13
  6. Step 6: Final answer
    x = 11,557.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.