Home / 22,630.26-31,230.11-12,559.35

Finding the Fourth Proportional to 22,630.26, 31,230.11 and 12,559.35

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Solution

The fourth proportional to 22,630.26, 31,230.11 and 12,559.35 is: 17,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.26 : 31,230.11 = 12,559.35 : x
  2. Step 2: Convert to fraction form
    22,630.26/31,230.11 = 12,559.35/x
  3. Step 3: Cross multiply
    22,630.26x = 31,230.11 × 12,559.35
  4. Step 4: Simplify right side
    22,630.26x = 392,229,882.03
  5. Step 5: Solve for x
    x = 392,229,882.03/22,630.26
  6. Step 6: Final answer
    x = 17,332.10

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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.