Home / 10,279.21-15,414-3,704.53

Finding the Fourth Proportional to 10,279.21, 15,414 and 3,704.53

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Solution

The fourth proportional to 10,279.21, 15,414 and 3,704.53 is: 5,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.21 : 15,414 = 3,704.53 : x
  2. Step 2: Convert to fraction form
    10,279.21/15,414 = 3,704.53/x
  3. Step 3: Cross multiply
    10,279.21x = 15,414 × 3,704.53
  4. Step 4: Simplify right side
    10,279.21x = 57,101,548.35
  5. Step 5: Solve for x
    x = 57,101,548.35/10,279.21
  6. Step 6: Final answer
    x = 5,555.05

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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.