Home / 10,123.38-13,971.29-6,144.86

Finding the Fourth Proportional to 10,123.38, 13,971.29 and 6,144.86

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Solution

The fourth proportional to 10,123.38, 13,971.29 and 6,144.86 is: 8,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.38 : 13,971.29 = 6,144.86 : x
  2. Step 2: Convert to fraction form
    10,123.38/13,971.29 = 6,144.86/x
  3. Step 3: Cross multiply
    10,123.38x = 13,971.29 × 6,144.86
  4. Step 4: Simplify right side
    10,123.38x = 85,851,625.27
  5. Step 5: Solve for x
    x = 85,851,625.27/10,123.38
  6. Step 6: Final answer
    x = 8,480.53

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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.