Home / 11,375.19-15,695.68-6,339.29

Finding the Fourth Proportional to 11,375.19, 15,695.68 and 6,339.29

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Solution

The fourth proportional to 11,375.19, 15,695.68 and 6,339.29 is: 8,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.19 : 15,695.68 = 6,339.29 : x
  2. Step 2: Convert to fraction form
    11,375.19/15,695.68 = 6,339.29/x
  3. Step 3: Cross multiply
    11,375.19x = 15,695.68 × 6,339.29
  4. Step 4: Simplify right side
    11,375.19x = 99,499,467.27
  5. Step 5: Solve for x
    x = 99,499,467.27/11,375.19
  6. Step 6: Final answer
    x = 8,747.06

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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.