Home / 10,620.88-15,933.24-4,377.42

Finding the Fourth Proportional to 10,620.88, 15,933.24 and 4,377.42

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Solution

The fourth proportional to 10,620.88, 15,933.24 and 4,377.42 is: 6,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.88 : 15,933.24 = 4,377.42 : x
  2. Step 2: Convert to fraction form
    10,620.88/15,933.24 = 4,377.42/x
  3. Step 3: Cross multiply
    10,620.88x = 15,933.24 × 4,377.42
  4. Step 4: Simplify right side
    10,620.88x = 69,746,483.44
  5. Step 5: Solve for x
    x = 69,746,483.44/10,620.88
  6. Step 6: Final answer
    x = 6,566.92

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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.