Home / 12,164.33-18,247.27-5,143.04

Finding the Fourth Proportional to 12,164.33, 18,247.27 and 5,143.04

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Solution

The fourth proportional to 12,164.33, 18,247.27 and 5,143.04 is: 7,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.33 : 18,247.27 = 5,143.04 : x
  2. Step 2: Convert to fraction form
    12,164.33/18,247.27 = 5,143.04/x
  3. Step 3: Cross multiply
    12,164.33x = 18,247.27 × 5,143.04
  4. Step 4: Simplify right side
    12,164.33x = 93,846,335.41
  5. Step 5: Solve for x
    x = 93,846,335.41/12,164.33
  6. Step 6: Final answer
    x = 7,714.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.