Home / 10,131.92-15,182.76-8,295.92

Finding the Fourth Proportional to 10,131.92, 15,182.76 and 8,295.92

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Solution

The fourth proportional to 10,131.92, 15,182.76 and 8,295.92 is: 12,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.92 : 15,182.76 = 8,295.92 : x
  2. Step 2: Convert to fraction form
    10,131.92/15,182.76 = 8,295.92/x
  3. Step 3: Cross multiply
    10,131.92x = 15,182.76 × 8,295.92
  4. Step 4: Simplify right side
    10,131.92x = 125,954,962.34
  5. Step 5: Solve for x
    x = 125,954,962.34/10,131.92
  6. Step 6: Final answer
    x = 12,431.50

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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.