Home / 22,495.05-31,039.11-12,932.70

Finding the Fourth Proportional to 22,495.05, 31,039.11 and 12,932.70

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Solution

The fourth proportional to 22,495.05, 31,039.11 and 12,932.70 is: 17,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495.05 : 31,039.11 = 12,932.70 : x
  2. Step 2: Convert to fraction form
    22,495.05/31,039.11 = 12,932.70/x
  3. Step 3: Cross multiply
    22,495.05x = 31,039.11 × 12,932.70
  4. Step 4: Simplify right side
    22,495.05x = 401,419,497.90
  5. Step 5: Solve for x
    x = 401,419,497.90/22,495.05
  6. Step 6: Final answer
    x = 17,844.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.