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Finding the Fourth Proportional to 16,671.80, 25,010.10 and 8,881.20

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Solution

The fourth proportional to 16,671.80, 25,010.10 and 8,881.20 is: 13,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.80 : 25,010.10 = 8,881.20 : x
  2. Step 2: Convert to fraction form
    16,671.80/25,010.10 = 8,881.20/x
  3. Step 3: Cross multiply
    16,671.80x = 25,010.10 × 8,881.20
  4. Step 4: Simplify right side
    16,671.80x = 222,119,700.12
  5. Step 5: Solve for x
    x = 222,119,700.12/16,671.80
  6. Step 6: Final answer
    x = 13,323.08

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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.