Home / 16,998.83-25,500.10-7,142.75

Finding the Fourth Proportional to 16,998.83, 25,500.10 and 7,142.75

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Solution

The fourth proportional to 16,998.83, 25,500.10 and 7,142.75 is: 10,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.83 : 25,500.10 = 7,142.75 : x
  2. Step 2: Convert to fraction form
    16,998.83/25,500.10 = 7,142.75/x
  3. Step 3: Cross multiply
    16,998.83x = 25,500.10 × 7,142.75
  4. Step 4: Simplify right side
    16,998.83x = 182,140,839.28
  5. Step 5: Solve for x
    x = 182,140,839.28/16,998.83
  6. Step 6: Final answer
    x = 10,714.90

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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.