Home / 22,630.91-31,230.18-12,559.26

Finding the Fourth Proportional to 22,630.91, 31,230.18 and 12,559.26

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Solution

The fourth proportional to 22,630.91, 31,230.18 and 12,559.26 is: 17,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.91 : 31,230.18 = 12,559.26 : x
  2. Step 2: Convert to fraction form
    22,630.91/31,230.18 = 12,559.26/x
  3. Step 3: Cross multiply
    22,630.91x = 31,230.18 × 12,559.26
  4. Step 4: Simplify right side
    22,630.91x = 392,228,067.58
  5. Step 5: Solve for x
    x = 392,228,067.58/22,630.91
  6. Step 6: Final answer
    x = 17,331.52

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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.