Home / 22,306.09-30,776.97-12,874.63

Finding the Fourth Proportional to 22,306.09, 30,776.97 and 12,874.63

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Solution

The fourth proportional to 22,306.09, 30,776.97 and 12,874.63 is: 17,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.09 : 30,776.97 = 12,874.63 : x
  2. Step 2: Convert to fraction form
    22,306.09/30,776.97 = 12,874.63/x
  3. Step 3: Cross multiply
    22,306.09x = 30,776.97 × 12,874.63
  4. Step 4: Simplify right side
    22,306.09x = 396,242,101.27
  5. Step 5: Solve for x
    x = 396,242,101.27/22,306.09
  6. Step 6: Final answer
    x = 17,763.85

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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.