Home / 16,781.12-25,162.32-11,522.24

Finding the Fourth Proportional to 16,781.12, 25,162.32 and 11,522.24

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Solution

The fourth proportional to 16,781.12, 25,162.32 and 11,522.24 is: 17,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.12 : 25,162.32 = 11,522.24 : x
  2. Step 2: Convert to fraction form
    16,781.12/25,162.32 = 11,522.24/x
  3. Step 3: Cross multiply
    16,781.12x = 25,162.32 × 11,522.24
  4. Step 4: Simplify right side
    16,781.12x = 289,926,290.00
  5. Step 5: Solve for x
    x = 289,926,290.00/16,781.12
  6. Step 6: Final answer
    x = 17,276.93

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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.