Home / 10,621.07-15,932.12-7,514.96

Finding the Fourth Proportional to 10,621.07, 15,932.12 and 7,514.96

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Solution

The fourth proportional to 10,621.07, 15,932.12 and 7,514.96 is: 11,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.07 : 15,932.12 = 7,514.96 : x
  2. Step 2: Convert to fraction form
    10,621.07/15,932.12 = 7,514.96/x
  3. Step 3: Cross multiply
    10,621.07x = 15,932.12 × 7,514.96
  4. Step 4: Simplify right side
    10,621.07x = 119,729,352.80
  5. Step 5: Solve for x
    x = 119,729,352.80/10,621.07
  6. Step 6: Final answer
    x = 11,272.81

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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.