Home / 22,617.06-31,211.64-12,546.42

Finding the Fourth Proportional to 22,617.06, 31,211.64 and 12,546.42

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Solution

The fourth proportional to 22,617.06, 31,211.64 and 12,546.42 is: 17,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.06 : 31,211.64 = 12,546.42 : x
  2. Step 2: Convert to fraction form
    22,617.06/31,211.64 = 12,546.42/x
  3. Step 3: Cross multiply
    22,617.06x = 31,211.64 × 12,546.42
  4. Step 4: Simplify right side
    22,617.06x = 391,594,344.33
  5. Step 5: Solve for x
    x = 391,594,344.33/22,617.06
  6. Step 6: Final answer
    x = 17,314.11

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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.