Home / 22,079.54-30,469.74-12,648.14

Finding the Fourth Proportional to 22,079.54, 30,469.74 and 12,648.14

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Solution

The fourth proportional to 22,079.54, 30,469.74 and 12,648.14 is: 17,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.54 : 30,469.74 = 12,648.14 : x
  2. Step 2: Convert to fraction form
    22,079.54/30,469.74 = 12,648.14/x
  3. Step 3: Cross multiply
    22,079.54x = 30,469.74 × 12,648.14
  4. Step 4: Simplify right side
    22,079.54x = 385,385,537.28
  5. Step 5: Solve for x
    x = 385,385,537.28/22,079.54
  6. Step 6: Final answer
    x = 17,454.42

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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.