Home / 16,887.20-25,330.96-11,080.64

Finding the Fourth Proportional to 16,887.20, 25,330.96 and 11,080.64

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Solution

The fourth proportional to 16,887.20, 25,330.96 and 11,080.64 is: 16,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.20 : 25,330.96 = 11,080.64 : x
  2. Step 2: Convert to fraction form
    16,887.20/25,330.96 = 11,080.64/x
  3. Step 3: Cross multiply
    16,887.20x = 25,330.96 × 11,080.64
  4. Step 4: Simplify right side
    16,887.20x = 280,683,248.61
  5. Step 5: Solve for x
    x = 280,683,248.61/16,887.20
  6. Step 6: Final answer
    x = 16,621.06

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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.