Home / 22,732.12-31,370.33-12,662.49

Finding the Fourth Proportional to 22,732.12, 31,370.33 and 12,662.49

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Solution

The fourth proportional to 22,732.12, 31,370.33 and 12,662.49 is: 17,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,732.12 : 31,370.33 = 12,662.49 : x
  2. Step 2: Convert to fraction form
    22,732.12/31,370.33 = 12,662.49/x
  3. Step 3: Cross multiply
    22,732.12x = 31,370.33 × 12,662.49
  4. Step 4: Simplify right side
    22,732.12x = 397,226,521.58
  5. Step 5: Solve for x
    x = 397,226,521.58/22,732.12
  6. Step 6: Final answer
    x = 17,474.24

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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.