Home / 19,836.32-29,759.34-6,691.64

Finding the Fourth Proportional to 19,836.32, 29,759.34 and 6,691.64

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Solution

The fourth proportional to 19,836.32, 29,759.34 and 6,691.64 is: 10,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.32 : 29,759.34 = 6,691.64 : x
  2. Step 2: Convert to fraction form
    19,836.32/29,759.34 = 6,691.64/x
  3. Step 3: Cross multiply
    19,836.32x = 29,759.34 × 6,691.64
  4. Step 4: Simplify right side
    19,836.32x = 199,138,789.92
  5. Step 5: Solve for x
    x = 199,138,789.92/19,836.32
  6. Step 6: Final answer
    x = 10,039.10

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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.