Home / 12,248.06-18,373.38-5,228.78

Finding the Fourth Proportional to 12,248.06, 18,373.38 and 5,228.78

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Solution

The fourth proportional to 12,248.06, 18,373.38 and 5,228.78 is: 7,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.06 : 18,373.38 = 5,228.78 : x
  2. Step 2: Convert to fraction form
    12,248.06/18,373.38 = 5,228.78/x
  3. Step 3: Cross multiply
    12,248.06x = 18,373.38 × 5,228.78
  4. Step 4: Simplify right side
    12,248.06x = 96,070,361.88
  5. Step 5: Solve for x
    x = 96,070,361.88/12,248.06
  6. Step 6: Final answer
    x = 7,843.72

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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.