Home / 23,144.57-31,939.51-12,534.20

Finding the Fourth Proportional to 23,144.57, 31,939.51 and 12,534.20

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Solution

The fourth proportional to 23,144.57, 31,939.51 and 12,534.20 is: 17,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.57 : 31,939.51 = 12,534.20 : x
  2. Step 2: Convert to fraction form
    23,144.57/31,939.51 = 12,534.20/x
  3. Step 3: Cross multiply
    23,144.57x = 31,939.51 × 12,534.20
  4. Step 4: Simplify right side
    23,144.57x = 400,336,262.32
  5. Step 5: Solve for x
    x = 400,336,262.32/23,144.57
  6. Step 6: Final answer
    x = 17,297.20

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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.