Home / 22,044.22-30,420.16-13,091.49

Finding the Fourth Proportional to 22,044.22, 30,420.16 and 13,091.49

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Solution

The fourth proportional to 22,044.22, 30,420.16 and 13,091.49 is: 18,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.22 : 30,420.16 = 13,091.49 : x
  2. Step 2: Convert to fraction form
    22,044.22/30,420.16 = 13,091.49/x
  3. Step 3: Cross multiply
    22,044.22x = 30,420.16 × 13,091.49
  4. Step 4: Simplify right side
    22,044.22x = 398,245,187.71
  5. Step 5: Solve for x
    x = 398,245,187.71/22,044.22
  6. Step 6: Final answer
    x = 18,065.74

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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.