Home / 22,328.73-30,814.92-13,382.55

Finding the Fourth Proportional to 22,328.73, 30,814.92 and 13,382.55

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Solution

The fourth proportional to 22,328.73, 30,814.92 and 13,382.55 is: 18,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.73 : 30,814.92 = 13,382.55 : x
  2. Step 2: Convert to fraction form
    22,328.73/30,814.92 = 13,382.55/x
  3. Step 3: Cross multiply
    22,328.73x = 30,814.92 × 13,382.55
  4. Step 4: Simplify right side
    22,328.73x = 412,382,207.65
  5. Step 5: Solve for x
    x = 412,382,207.65/22,328.73
  6. Step 6: Final answer
    x = 18,468.68

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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.