Home / 11,287.24-15,575.46-6,251.56

Finding the Fourth Proportional to 11,287.24, 15,575.46 and 6,251.56

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Solution

The fourth proportional to 11,287.24, 15,575.46 and 6,251.56 is: 8,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.24 : 15,575.46 = 6,251.56 : x
  2. Step 2: Convert to fraction form
    11,287.24/15,575.46 = 6,251.56/x
  3. Step 3: Cross multiply
    11,287.24x = 15,575.46 × 6,251.56
  4. Step 4: Simplify right side
    11,287.24x = 97,370,922.72
  5. Step 5: Solve for x
    x = 97,370,922.72/11,287.24
  6. Step 6: Final answer
    x = 8,626.64

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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.