Home / 10,371.89-15,551.57-4,132.86

Finding the Fourth Proportional to 10,371.89, 15,551.57 and 4,132.86

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Solution

The fourth proportional to 10,371.89, 15,551.57 and 4,132.86 is: 6,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.89 : 15,551.57 = 4,132.86 : x
  2. Step 2: Convert to fraction form
    10,371.89/15,551.57 = 4,132.86/x
  3. Step 3: Cross multiply
    10,371.89x = 15,551.57 × 4,132.86
  4. Step 4: Simplify right side
    10,371.89x = 64,272,471.92
  5. Step 5: Solve for x
    x = 64,272,471.92/10,371.89
  6. Step 6: Final answer
    x = 6,196.80

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1.5x scale

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.