Home / 22,863.38-31,549.98-12,790.08

Finding the Fourth Proportional to 22,863.38, 31,549.98 and 12,790.08

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Solution

The fourth proportional to 22,863.38, 31,549.98 and 12,790.08 is: 17,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.38 : 31,549.98 = 12,790.08 : x
  2. Step 2: Convert to fraction form
    22,863.38/31,549.98 = 12,790.08/x
  3. Step 3: Cross multiply
    22,863.38x = 31,549.98 × 12,790.08
  4. Step 4: Simplify right side
    22,863.38x = 403,526,768.20
  5. Step 5: Solve for x
    x = 403,526,768.20/22,863.38
  6. Step 6: Final answer
    x = 17,649.48

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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.