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Finding the Fourth Proportional to 12,334.76, 17,007.15 and 8,561.18

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Solution

The fourth proportional to 12,334.76, 17,007.15 and 8,561.18 is: 11,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.76 : 17,007.15 = 8,561.18 : x
  2. Step 2: Convert to fraction form
    12,334.76/17,007.15 = 8,561.18/x
  3. Step 3: Cross multiply
    12,334.76x = 17,007.15 × 8,561.18
  4. Step 4: Simplify right side
    12,334.76x = 145,601,272.44
  5. Step 5: Solve for x
    x = 145,601,272.44/12,334.76
  6. Step 6: Final answer
    x = 11,804.14

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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.