Home / 11,411.24-15,747.45-6,375.39

Finding the Fourth Proportional to 11,411.24, 15,747.45 and 6,375.39

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Solution

The fourth proportional to 11,411.24, 15,747.45 and 6,375.39 is: 8,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.24 : 15,747.45 = 6,375.39 : x
  2. Step 2: Convert to fraction form
    11,411.24/15,747.45 = 6,375.39/x
  3. Step 3: Cross multiply
    11,411.24x = 15,747.45 × 6,375.39
  4. Step 4: Simplify right side
    11,411.24x = 100,396,135.26
  5. Step 5: Solve for x
    x = 100,396,135.26/11,411.24
  6. Step 6: Final answer
    x = 8,798.01

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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.