Home / 9,229.49-12,735.31-5,195.72

Finding the Fourth Proportional to 9,229.49, 12,735.31 and 5,195.72

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Solution

The fourth proportional to 9,229.49, 12,735.31 and 5,195.72 is: 7,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.49 : 12,735.31 = 5,195.72 : x
  2. Step 2: Convert to fraction form
    9,229.49/12,735.31 = 5,195.72/x
  3. Step 3: Cross multiply
    9,229.49x = 12,735.31 × 5,195.72
  4. Step 4: Simplify right side
    9,229.49x = 66,169,123.72
  5. Step 5: Solve for x
    x = 66,169,123.72/9,229.49
  6. Step 6: Final answer
    x = 7,169.32

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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.