Home / 22,044.15-30,418.13-13,089.80

Finding the Fourth Proportional to 22,044.15, 30,418.13 and 13,089.80

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Solution

The fourth proportional to 22,044.15, 30,418.13 and 13,089.80 is: 18,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.15 : 30,418.13 = 13,089.80 : x
  2. Step 2: Convert to fraction form
    22,044.15/30,418.13 = 13,089.80/x
  3. Step 3: Cross multiply
    22,044.15x = 30,418.13 × 13,089.80
  4. Step 4: Simplify right side
    22,044.15x = 398,167,346.84
  5. Step 5: Solve for x
    x = 398,167,346.84/22,044.15
  6. Step 6: Final answer
    x = 18,062.27

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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.