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Finding the Fourth Proportional to 11,370.52, 17,059.02 and 8,253.64

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Solution

The fourth proportional to 11,370.52, 17,059.02 and 8,253.64 is: 12,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.52 : 17,059.02 = 8,253.64 : x
  2. Step 2: Convert to fraction form
    11,370.52/17,059.02 = 8,253.64/x
  3. Step 3: Cross multiply
    11,370.52x = 17,059.02 × 8,253.64
  4. Step 4: Simplify right side
    11,370.52x = 140,799,009.83
  5. Step 5: Solve for x
    x = 140,799,009.83/11,370.52
  6. Step 6: Final answer
    x = 12,382.81

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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.