Home / 23,190.74-32,003.22-13,118.97

Finding the Fourth Proportional to 23,190.74, 32,003.22 and 13,118.97

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Solution

The fourth proportional to 23,190.74, 32,003.22 and 13,118.97 is: 18,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.74 : 32,003.22 = 13,118.97 : x
  2. Step 2: Convert to fraction form
    23,190.74/32,003.22 = 13,118.97/x
  3. Step 3: Cross multiply
    23,190.74x = 32,003.22 × 13,118.97
  4. Step 4: Simplify right side
    23,190.74x = 419,849,283.08
  5. Step 5: Solve for x
    x = 419,849,283.08/23,190.74
  6. Step 6: Final answer
    x = 18,104.18

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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.