Home / 22,112.32-30,505.13-14,939.92

Finding the Fourth Proportional to 22,112.32, 30,505.13 and 14,939.92

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Solution

The fourth proportional to 22,112.32, 30,505.13 and 14,939.92 is: 20,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.32 : 30,505.13 = 14,939.92 : x
  2. Step 2: Convert to fraction form
    22,112.32/30,505.13 = 14,939.92/x
  3. Step 3: Cross multiply
    22,112.32x = 30,505.13 × 14,939.92
  4. Step 4: Simplify right side
    22,112.32x = 455,744,201.79
  5. Step 5: Solve for x
    x = 455,744,201.79/22,112.32
  6. Step 6: Final answer
    x = 20,610.42

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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.