Home / 22,551.93-31,121.72-12,481.07

Finding the Fourth Proportional to 22,551.93, 31,121.72 and 12,481.07

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Solution

The fourth proportional to 22,551.93, 31,121.72 and 12,481.07 is: 17,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551.93 : 31,121.72 = 12,481.07 : x
  2. Step 2: Convert to fraction form
    22,551.93/31,121.72 = 12,481.07/x
  3. Step 3: Cross multiply
    22,551.93x = 31,121.72 × 12,481.07
  4. Step 4: Simplify right side
    22,551.93x = 388,432,241.43
  5. Step 5: Solve for x
    x = 388,432,241.43/22,551.93
  6. Step 6: Final answer
    x = 17,223.90

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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.