Home / 9,511.28-13,140.24-7,282.16

Finding the Fourth Proportional to 9,511.28, 13,140.24 and 7,282.16

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Solution

The fourth proportional to 9,511.28, 13,140.24 and 7,282.16 is: 10,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.28 : 13,140.24 = 7,282.16 : x
  2. Step 2: Convert to fraction form
    9,511.28/13,140.24 = 7,282.16/x
  3. Step 3: Cross multiply
    9,511.28x = 13,140.24 × 7,282.16
  4. Step 4: Simplify right side
    9,511.28x = 95,689,330.12
  5. Step 5: Solve for x
    x = 95,689,330.12/9,511.28
  6. Step 6: Final answer
    x = 10,060.62

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Double scale
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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.