Home / 10,132.74-15,199.02-4,288.50

Finding the Fourth Proportional to 10,132.74, 15,199.02 and 4,288.50

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Solution

The fourth proportional to 10,132.74, 15,199.02 and 4,288.50 is: 6,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.74 : 15,199.02 = 4,288.50 : x
  2. Step 2: Convert to fraction form
    10,132.74/15,199.02 = 4,288.50/x
  3. Step 3: Cross multiply
    10,132.74x = 15,199.02 × 4,288.50
  4. Step 4: Simplify right side
    10,132.74x = 65,180,997.27
  5. Step 5: Solve for x
    x = 65,180,997.27/10,132.74
  6. Step 6: Final answer
    x = 6,432.71

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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.