Home / 9,270.72-12,810.24-7,296.48

Finding the Fourth Proportional to 9,270.72, 12,810.24 and 7,296.48

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Solution

The fourth proportional to 9,270.72, 12,810.24 and 7,296.48 is: 10,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.72 : 12,810.24 = 7,296.48 : x
  2. Step 2: Convert to fraction form
    9,270.72/12,810.24 = 7,296.48/x
  3. Step 3: Cross multiply
    9,270.72x = 12,810.24 × 7,296.48
  4. Step 4: Simplify right side
    9,270.72x = 93,469,659.96
  5. Step 5: Solve for x
    x = 93,469,659.96/9,270.72
  6. Step 6: Final answer
    x = 10,082.24

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Double scale
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Similar ratio
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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.