Home / 9,965.92-14,949.96-8,132.64

Finding the Fourth Proportional to 9,965.92, 14,949.96 and 8,132.64

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Solution

The fourth proportional to 9,965.92, 14,949.96 and 8,132.64 is: 12,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.92 : 14,949.96 = 8,132.64 : x
  2. Step 2: Convert to fraction form
    9,965.92/14,949.96 = 8,132.64/x
  3. Step 3: Cross multiply
    9,965.92x = 14,949.96 × 8,132.64
  4. Step 4: Simplify right side
    9,965.92x = 121,582,642.69
  5. Step 5: Solve for x
    x = 121,582,642.69/9,965.92
  6. Step 6: Final answer
    x = 12,199.84

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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.