Home / 12,504.01-17,247.40-8,020.66

Finding the Fourth Proportional to 12,504.01, 17,247.40 and 8,020.66

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Solution

The fourth proportional to 12,504.01, 17,247.40 and 8,020.66 is: 11,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.01 : 17,247.40 = 8,020.66 : x
  2. Step 2: Convert to fraction form
    12,504.01/17,247.40 = 8,020.66/x
  3. Step 3: Cross multiply
    12,504.01x = 17,247.40 × 8,020.66
  4. Step 4: Simplify right side
    12,504.01x = 138,335,531.28
  5. Step 5: Solve for x
    x = 138,335,531.28/12,504.01
  6. Step 6: Final answer
    x = 11,063.29

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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.