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Finding the Fourth Proportional to 9,251.10, 13,873.18 and 7,280.58

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Solution

The fourth proportional to 9,251.10, 13,873.18 and 7,280.58 is: 10,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.10 : 13,873.18 = 7,280.58 : x
  2. Step 2: Convert to fraction form
    9,251.10/13,873.18 = 7,280.58/x
  3. Step 3: Cross multiply
    9,251.10x = 13,873.18 × 7,280.58
  4. Step 4: Simplify right side
    9,251.10x = 101,004,796.84
  5. Step 5: Solve for x
    x = 101,004,796.84/9,251.10
  6. Step 6: Final answer
    x = 10,918.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.