Home / 9,943.85-13,722.38-5,467.56

Finding the Fourth Proportional to 9,943.85, 13,722.38 and 5,467.56

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Solution

The fourth proportional to 9,943.85, 13,722.38 and 5,467.56 is: 7,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.85 : 13,722.38 = 5,467.56 : x
  2. Step 2: Convert to fraction form
    9,943.85/13,722.38 = 5,467.56/x
  3. Step 3: Cross multiply
    9,943.85x = 13,722.38 × 5,467.56
  4. Step 4: Simplify right side
    9,943.85x = 75,027,949.66
  5. Step 5: Solve for x
    x = 75,027,949.66/9,943.85
  6. Step 6: Final answer
    x = 7,545.16

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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.