Home / 16,901.20-25,380.60-12,005.20

Finding the Fourth Proportional to 16,901.20, 25,380.60 and 12,005.20

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Solution

The fourth proportional to 16,901.20, 25,380.60 and 12,005.20 is: 18,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.20 : 25,380.60 = 12,005.20 : x
  2. Step 2: Convert to fraction form
    16,901.20/25,380.60 = 12,005.20/x
  3. Step 3: Cross multiply
    16,901.20x = 25,380.60 × 12,005.20
  4. Step 4: Simplify right side
    16,901.20x = 304,699,179.12
  5. Step 5: Solve for x
    x = 304,699,179.12/16,901.20
  6. Step 6: Final answer
    x = 18,028.26

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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.