Home / 12,480.30-17,202.31-8,847.59

Finding the Fourth Proportional to 12,480.30, 17,202.31 and 8,847.59

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Solution

The fourth proportional to 12,480.30, 17,202.31 and 8,847.59 is: 12,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480.30 : 17,202.31 = 8,847.59 : x
  2. Step 2: Convert to fraction form
    12,480.30/17,202.31 = 8,847.59/x
  3. Step 3: Cross multiply
    12,480.30x = 17,202.31 × 8,847.59
  4. Step 4: Simplify right side
    12,480.30x = 152,198,877.80
  5. Step 5: Solve for x
    x = 152,198,877.80/12,480.30
  6. Step 6: Final answer
    x = 12,195.13

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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.