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Finding the Fourth Proportional to 11,302.32, 16,952.40 and 6,917.52

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Solution

The fourth proportional to 11,302.32, 16,952.40 and 6,917.52 is: 10,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.32 : 16,952.40 = 6,917.52 : x
  2. Step 2: Convert to fraction form
    11,302.32/16,952.40 = 6,917.52/x
  3. Step 3: Cross multiply
    11,302.32x = 16,952.40 × 6,917.52
  4. Step 4: Simplify right side
    11,302.32x = 117,268,566.05
  5. Step 5: Solve for x
    x = 117,268,566.05/11,302.32
  6. Step 6: Final answer
    x = 10,375.62

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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.