Home / 9,621.91-13,278.11-5,373.04

Finding the Fourth Proportional to 9,621.91, 13,278.11 and 5,373.04

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Solution

The fourth proportional to 9,621.91, 13,278.11 and 5,373.04 is: 7,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.91 : 13,278.11 = 5,373.04 : x
  2. Step 2: Convert to fraction form
    9,621.91/13,278.11 = 5,373.04/x
  3. Step 3: Cross multiply
    9,621.91x = 13,278.11 × 5,373.04
  4. Step 4: Simplify right side
    9,621.91x = 71,343,789.29
  5. Step 5: Solve for x
    x = 71,343,789.29/9,621.91
  6. Step 6: Final answer
    x = 7,414.72

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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.