Home / 20,228.66-30,338.67-6,374.42

Finding the Fourth Proportional to 20,228.66, 30,338.67 and 6,374.42

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Solution

The fourth proportional to 20,228.66, 30,338.67 and 6,374.42 is: 9,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.66 : 30,338.67 = 6,374.42 : x
  2. Step 2: Convert to fraction form
    20,228.66/30,338.67 = 6,374.42/x
  3. Step 3: Cross multiply
    20,228.66x = 30,338.67 × 6,374.42
  4. Step 4: Simplify right side
    20,228.66x = 193,391,424.82
  5. Step 5: Solve for x
    x = 193,391,424.82/20,228.66
  6. Step 6: Final answer
    x = 9,560.27

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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.