Home / 11,521.20-17,284.20-6,586.80

Finding the Fourth Proportional to 11,521.20, 17,284.20 and 6,586.80

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Solution

The fourth proportional to 11,521.20, 17,284.20 and 6,586.80 is: 9,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.20 : 17,284.20 = 6,586.80 : x
  2. Step 2: Convert to fraction form
    11,521.20/17,284.20 = 6,586.80/x
  3. Step 3: Cross multiply
    11,521.20x = 17,284.20 × 6,586.80
  4. Step 4: Simplify right side
    11,521.20x = 113,847,568.56
  5. Step 5: Solve for x
    x = 113,847,568.56/11,521.20
  6. Step 6: Final answer
    x = 9,881.57

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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.