Home / 22,636.24-31,237.69-12,564.65

Finding the Fourth Proportional to 22,636.24, 31,237.69 and 12,564.65

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Solution

The fourth proportional to 22,636.24, 31,237.69 and 12,564.65 is: 17,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.24 : 31,237.69 = 12,564.65 : x
  2. Step 2: Convert to fraction form
    22,636.24/31,237.69 = 12,564.65/x
  3. Step 3: Cross multiply
    22,636.24x = 31,237.69 × 12,564.65
  4. Step 4: Simplify right side
    22,636.24x = 392,490,641.66
  5. Step 5: Solve for x
    x = 392,490,641.66/22,636.24
  6. Step 6: Final answer
    x = 17,339.04

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Half scale
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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.