Home / 22,631.26-31,233.09-12,561.65

Finding the Fourth Proportional to 22,631.26, 31,233.09 and 12,561.65

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Solution

The fourth proportional to 22,631.26, 31,233.09 and 12,561.65 is: 17,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.26 : 31,233.09 = 12,561.65 : x
  2. Step 2: Convert to fraction form
    22,631.26/31,233.09 = 12,561.65/x
  3. Step 3: Cross multiply
    22,631.26x = 31,233.09 × 12,561.65
  4. Step 4: Simplify right side
    22,631.26x = 392,338,988.83
  5. Step 5: Solve for x
    x = 392,338,988.83/22,631.26
  6. Step 6: Final answer
    x = 17,336.15

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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.