Home / 9,239.91-13,854.30-3,896.71

Finding the Fourth Proportional to 9,239.91, 13,854.30 and 3,896.71

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Solution

The fourth proportional to 9,239.91, 13,854.30 and 3,896.71 is: 5,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.91 : 13,854.30 = 3,896.71 : x
  2. Step 2: Convert to fraction form
    9,239.91/13,854.30 = 3,896.71/x
  3. Step 3: Cross multiply
    9,239.91x = 13,854.30 × 3,896.71
  4. Step 4: Simplify right side
    9,239.91x = 53,986,218.04
  5. Step 5: Solve for x
    x = 53,986,218.04/9,239.91
  6. Step 6: Final answer
    x = 5,842.72

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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.