Home / 11,479.68-17,217.15-5,237.94

Finding the Fourth Proportional to 11,479.68, 17,217.15 and 5,237.94

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Solution

The fourth proportional to 11,479.68, 17,217.15 and 5,237.94 is: 7,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.68 : 17,217.15 = 5,237.94 : x
  2. Step 2: Convert to fraction form
    11,479.68/17,217.15 = 5,237.94/x
  3. Step 3: Cross multiply
    11,479.68x = 17,217.15 × 5,237.94
  4. Step 4: Simplify right side
    11,479.68x = 90,182,398.67
  5. Step 5: Solve for x
    x = 90,182,398.67/11,479.68
  6. Step 6: Final answer
    x = 7,855.83

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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.