Home / 11,399.11-15,730.72-6,363.27

Finding the Fourth Proportional to 11,399.11, 15,730.72 and 6,363.27

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Solution

The fourth proportional to 11,399.11, 15,730.72 and 6,363.27 is: 8,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.11 : 15,730.72 = 6,363.27 : x
  2. Step 2: Convert to fraction form
    11,399.11/15,730.72 = 6,363.27/x
  3. Step 3: Cross multiply
    11,399.11x = 15,730.72 × 6,363.27
  4. Step 4: Simplify right side
    11,399.11x = 100,098,818.65
  5. Step 5: Solve for x
    x = 100,098,818.65/11,399.11
  6. Step 6: Final answer
    x = 8,781.28

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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.