Home / 20,236.88-30,355.18-5,444.56

Finding the Fourth Proportional to 20,236.88, 30,355.18 and 5,444.56

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Solution

The fourth proportional to 20,236.88, 30,355.18 and 5,444.56 is: 8,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.88 : 30,355.18 = 5,444.56 : x
  2. Step 2: Convert to fraction form
    20,236.88/30,355.18 = 5,444.56/x
  3. Step 3: Cross multiply
    20,236.88x = 30,355.18 × 5,444.56
  4. Step 4: Simplify right side
    20,236.88x = 165,270,598.82
  5. Step 5: Solve for x
    x = 165,270,598.82/20,236.88
  6. Step 6: Final answer
    x = 8,166.80

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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.