Home / 10,511.21-15,757.34-3,842.97

Finding the Fourth Proportional to 10,511.21, 15,757.34 and 3,842.97

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Solution

The fourth proportional to 10,511.21, 15,757.34 and 3,842.97 is: 5,760.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.21 : 15,757.34 = 3,842.97 : x
  2. Step 2: Convert to fraction form
    10,511.21/15,757.34 = 3,842.97/x
  3. Step 3: Cross multiply
    10,511.21x = 15,757.34 × 3,842.97
  4. Step 4: Simplify right side
    10,511.21x = 60,554,950.91
  5. Step 5: Solve for x
    x = 60,554,950.91/10,511.21
  6. Step 6: Final answer
    x = 5,760.99

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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.