Home / 11,287.29-15,575.27-6,251.37

Finding the Fourth Proportional to 11,287.29, 15,575.27 and 6,251.37

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Solution

The fourth proportional to 11,287.29, 15,575.27 and 6,251.37 is: 8,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.29 : 15,575.27 = 6,251.37 : x
  2. Step 2: Convert to fraction form
    11,287.29/15,575.27 = 6,251.37/x
  3. Step 3: Cross multiply
    11,287.29x = 15,575.27 × 6,251.37
  4. Step 4: Simplify right side
    11,287.29x = 97,366,775.62
  5. Step 5: Solve for x
    x = 97,366,775.62/11,287.29
  6. Step 6: Final answer
    x = 8,626.23

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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.