Home / 10,375.21-15,560.65-3,355.84

Finding the Fourth Proportional to 10,375.21, 15,560.65 and 3,355.84

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Solution

The fourth proportional to 10,375.21, 15,560.65 and 3,355.84 is: 5,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.21 : 15,560.65 = 3,355.84 : x
  2. Step 2: Convert to fraction form
    10,375.21/15,560.65 = 3,355.84/x
  3. Step 3: Cross multiply
    10,375.21x = 15,560.65 × 3,355.84
  4. Step 4: Simplify right side
    10,375.21x = 52,219,051.70
  5. Step 5: Solve for x
    x = 52,219,051.70/10,375.21
  6. Step 6: Final answer
    x = 5,033.06

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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.