Home / 11,987.22-16,544.52-7,514.85

Finding the Fourth Proportional to 11,987.22, 16,544.52 and 7,514.85

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Solution

The fourth proportional to 11,987.22, 16,544.52 and 7,514.85 is: 10,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.22 : 16,544.52 = 7,514.85 : x
  2. Step 2: Convert to fraction form
    11,987.22/16,544.52 = 7,514.85/x
  3. Step 3: Cross multiply
    11,987.22x = 16,544.52 × 7,514.85
  4. Step 4: Simplify right side
    11,987.22x = 124,329,586.12
  5. Step 5: Solve for x
    x = 124,329,586.12/11,987.22
  6. Step 6: Final answer
    x = 10,371.84

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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.