Home / 22,600.82-31,189.68-12,392.44

Finding the Fourth Proportional to 22,600.82, 31,189.68 and 12,392.44

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Solution

The fourth proportional to 22,600.82, 31,189.68 and 12,392.44 is: 17,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.82 : 31,189.68 = 12,392.44 : x
  2. Step 2: Convert to fraction form
    22,600.82/31,189.68 = 12,392.44/x
  3. Step 3: Cross multiply
    22,600.82x = 31,189.68 × 12,392.44
  4. Step 4: Simplify right side
    22,600.82x = 386,516,238.02
  5. Step 5: Solve for x
    x = 386,516,238.02/22,600.82
  6. Step 6: Final answer
    x = 17,101.87

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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.