Home / 10,065.11-15,104.57-3,491.30

Finding the Fourth Proportional to 10,065.11, 15,104.57 and 3,491.30

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Solution

The fourth proportional to 10,065.11, 15,104.57 and 3,491.30 is: 5,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.11 : 15,104.57 = 3,491.30 : x
  2. Step 2: Convert to fraction form
    10,065.11/15,104.57 = 3,491.30/x
  3. Step 3: Cross multiply
    10,065.11x = 15,104.57 × 3,491.30
  4. Step 4: Simplify right side
    10,065.11x = 52,734,605.55
  5. Step 5: Solve for x
    x = 52,734,605.55/10,065.11
  6. Step 6: Final answer
    x = 5,239.35

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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.