Home / 12,512.22-17,279.78-10,825.53

Finding the Fourth Proportional to 12,512.22, 17,279.78 and 10,825.53

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Solution

The fourth proportional to 12,512.22, 17,279.78 and 10,825.53 is: 14,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.22 : 17,279.78 = 10,825.53 : x
  2. Step 2: Convert to fraction form
    12,512.22/17,279.78 = 10,825.53/x
  3. Step 3: Cross multiply
    12,512.22x = 17,279.78 × 10,825.53
  4. Step 4: Simplify right side
    12,512.22x = 187,062,722.66
  5. Step 5: Solve for x
    x = 187,062,722.66/12,512.22
  6. Step 6: Final answer
    x = 14,950.40

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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.