Home / 11,625.13-17,437.56-2,860.12

Finding the Fourth Proportional to 11,625.13, 17,437.56 and 2,860.12

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Solution

The fourth proportional to 11,625.13, 17,437.56 and 2,860.12 is: 4,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.13 : 17,437.56 = 2,860.12 : x
  2. Step 2: Convert to fraction form
    11,625.13/17,437.56 = 2,860.12/x
  3. Step 3: Cross multiply
    11,625.13x = 17,437.56 × 2,860.12
  4. Step 4: Simplify right side
    11,625.13x = 49,873,514.11
  5. Step 5: Solve for x
    x = 49,873,514.11/11,625.13
  6. Step 6: Final answer
    x = 4,290.15

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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.