Home / 18,610.47-27,909.36-7,514.28

Finding the Fourth Proportional to 18,610.47, 27,909.36 and 7,514.28

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Solution

The fourth proportional to 18,610.47, 27,909.36 and 7,514.28 is: 11,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.47 : 27,909.36 = 7,514.28 : x
  2. Step 2: Convert to fraction form
    18,610.47/27,909.36 = 7,514.28/x
  3. Step 3: Cross multiply
    18,610.47x = 27,909.36 × 7,514.28
  4. Step 4: Simplify right side
    18,610.47x = 209,718,745.66
  5. Step 5: Solve for x
    x = 209,718,745.66/18,610.47
  6. Step 6: Final answer
    x = 11,268.86

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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.