Home / 11,488.68-17,231.40-4,092.12

Finding the Fourth Proportional to 11,488.68, 17,231.40 and 4,092.12

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Solution

The fourth proportional to 11,488.68, 17,231.40 and 4,092.12 is: 6,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.68 : 17,231.40 = 4,092.12 : x
  2. Step 2: Convert to fraction form
    11,488.68/17,231.40 = 4,092.12/x
  3. Step 3: Cross multiply
    11,488.68x = 17,231.40 × 4,092.12
  4. Step 4: Simplify right side
    11,488.68x = 70,512,956.57
  5. Step 5: Solve for x
    x = 70,512,956.57/11,488.68
  6. Step 6: Final answer
    x = 6,137.60

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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.