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Finding the Fourth Proportional to 9,086.26, 12,574.48 and 8,867.74

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Solution

The fourth proportional to 9,086.26, 12,574.48 and 8,867.74 is: 12,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.26 : 12,574.48 = 8,867.74 : x
  2. Step 2: Convert to fraction form
    9,086.26/12,574.48 = 8,867.74/x
  3. Step 3: Cross multiply
    9,086.26x = 12,574.48 × 8,867.74
  4. Step 4: Simplify right side
    9,086.26x = 111,507,156.40
  5. Step 5: Solve for x
    x = 111,507,156.40/9,086.26
  6. Step 6: Final answer
    x = 12,272.07

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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.