Home / 20,381.18-30,566.22-5,586.52

Finding the Fourth Proportional to 20,381.18, 30,566.22 and 5,586.52

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Solution

The fourth proportional to 20,381.18, 30,566.22 and 5,586.52 is: 8,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,381.18 : 30,566.22 = 5,586.52 : x
  2. Step 2: Convert to fraction form
    20,381.18/30,566.22 = 5,586.52/x
  3. Step 3: Cross multiply
    20,381.18x = 30,566.22 × 5,586.52
  4. Step 4: Simplify right side
    20,381.18x = 170,758,799.35
  5. Step 5: Solve for x
    x = 170,758,799.35/20,381.18
  6. Step 6: Final answer
    x = 8,378.26

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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.