Home / 10,537.28-15,805.91-3,141.56

Finding the Fourth Proportional to 10,537.28, 15,805.91 and 3,141.56

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Solution

The fourth proportional to 10,537.28, 15,805.91 and 3,141.56 is: 4,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.28 : 15,805.91 = 3,141.56 : x
  2. Step 2: Convert to fraction form
    10,537.28/15,805.91 = 3,141.56/x
  3. Step 3: Cross multiply
    10,537.28x = 15,805.91 × 3,141.56
  4. Step 4: Simplify right side
    10,537.28x = 49,655,143.44
  5. Step 5: Solve for x
    x = 49,655,143.44/10,537.28
  6. Step 6: Final answer
    x = 4,712.33

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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.