Home / 22,033.90-30,391.23-13,074.22

Finding the Fourth Proportional to 22,033.90, 30,391.23 and 13,074.22

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Solution

The fourth proportional to 22,033.90, 30,391.23 and 13,074.22 is: 18,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.90 : 30,391.23 = 13,074.22 : x
  2. Step 2: Convert to fraction form
    22,033.90/30,391.23 = 13,074.22/x
  3. Step 3: Cross multiply
    22,033.90x = 30,391.23 × 13,074.22
  4. Step 4: Simplify right side
    22,033.90x = 397,341,627.09
  5. Step 5: Solve for x
    x = 397,341,627.09/22,033.90
  6. Step 6: Final answer
    x = 18,033.20

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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.