Home / 11,311.88-15,610.16-6,207.52

Finding the Fourth Proportional to 11,311.88, 15,610.16 and 6,207.52

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Solution

The fourth proportional to 11,311.88, 15,610.16 and 6,207.52 is: 8,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.88 : 15,610.16 = 6,207.52 : x
  2. Step 2: Convert to fraction form
    11,311.88/15,610.16 = 6,207.52/x
  3. Step 3: Cross multiply
    11,311.88x = 15,610.16 × 6,207.52
  4. Step 4: Simplify right side
    11,311.88x = 96,900,380.40
  5. Step 5: Solve for x
    x = 96,900,380.40/11,311.88
  6. Step 6: Final answer
    x = 8,566.25

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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.