Home / 12,253.44-18,383.24-3,934.20

Finding the Fourth Proportional to 12,253.44, 18,383.24 and 3,934.20

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Solution

The fourth proportional to 12,253.44, 18,383.24 and 3,934.20 is: 5,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.44 : 18,383.24 = 3,934.20 : x
  2. Step 2: Convert to fraction form
    12,253.44/18,383.24 = 3,934.20/x
  3. Step 3: Cross multiply
    12,253.44x = 18,383.24 × 3,934.20
  4. Step 4: Simplify right side
    12,253.44x = 72,323,342.81
  5. Step 5: Solve for x
    x = 72,323,342.81/12,253.44
  6. Step 6: Final answer
    x = 5,902.29

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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.