Home / 10,220.54-15,327.57-4,375.58

Finding the Fourth Proportional to 10,220.54, 15,327.57 and 4,375.58

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Solution

The fourth proportional to 10,220.54, 15,327.57 and 4,375.58 is: 6,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.54 : 15,327.57 = 4,375.58 : x
  2. Step 2: Convert to fraction form
    10,220.54/15,327.57 = 4,375.58/x
  3. Step 3: Cross multiply
    10,220.54x = 15,327.57 × 4,375.58
  4. Step 4: Simplify right side
    10,220.54x = 67,067,008.74
  5. Step 5: Solve for x
    x = 67,067,008.74/10,220.54
  6. Step 6: Final answer
    x = 6,561.98

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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.