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Finding the Fourth Proportional to 8,734.59, 13,076.62 and 7,833.19

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Solution

The fourth proportional to 8,734.59, 13,076.62 and 7,833.19 is: 11,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.59 : 13,076.62 = 7,833.19 : x
  2. Step 2: Convert to fraction form
    8,734.59/13,076.62 = 7,833.19/x
  3. Step 3: Cross multiply
    8,734.59x = 13,076.62 × 7,833.19
  4. Step 4: Simplify right side
    8,734.59x = 102,431,649.02
  5. Step 5: Solve for x
    x = 102,431,649.02/8,734.59
  6. Step 6: Final answer
    x = 11,727.13

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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.