Home / 10,257.83-15,387.07-3,237.91

Finding the Fourth Proportional to 10,257.83, 15,387.07 and 3,237.91

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Solution

The fourth proportional to 10,257.83, 15,387.07 and 3,237.91 is: 4,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.83 : 15,387.07 = 3,237.91 : x
  2. Step 2: Convert to fraction form
    10,257.83/15,387.07 = 3,237.91/x
  3. Step 3: Cross multiply
    10,257.83x = 15,387.07 × 3,237.91
  4. Step 4: Simplify right side
    10,257.83x = 49,821,947.82
  5. Step 5: Solve for x
    x = 49,821,947.82/10,257.83
  6. Step 6: Final answer
    x = 4,856.97

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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.