Home / 22,863.24-31,549.80-12,789.96

Finding the Fourth Proportional to 22,863.24, 31,549.80 and 12,789.96

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Solution

The fourth proportional to 22,863.24, 31,549.80 and 12,789.96 is: 17,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.24 : 31,549.80 = 12,789.96 : x
  2. Step 2: Convert to fraction form
    22,863.24/31,549.80 = 12,789.96/x
  3. Step 3: Cross multiply
    22,863.24x = 31,549.80 × 12,789.96
  4. Step 4: Simplify right side
    22,863.24x = 403,520,680.01
  5. Step 5: Solve for x
    x = 403,520,680.01/22,863.24
  6. Step 6: Final answer
    x = 17,649.32

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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.