Home / 10,473.57-15,711.12-3,899.75

Finding the Fourth Proportional to 10,473.57, 15,711.12 and 3,899.75

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Solution

The fourth proportional to 10,473.57, 15,711.12 and 3,899.75 is: 5,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.57 : 15,711.12 = 3,899.75 : x
  2. Step 2: Convert to fraction form
    10,473.57/15,711.12 = 3,899.75/x
  3. Step 3: Cross multiply
    10,473.57x = 15,711.12 × 3,899.75
  4. Step 4: Simplify right side
    10,473.57x = 61,269,440.22
  5. Step 5: Solve for x
    x = 61,269,440.22/10,473.57
  6. Step 6: Final answer
    x = 5,849.91

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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.