Home / 9,939.27-13,710.77-6,108.82

Finding the Fourth Proportional to 9,939.27, 13,710.77 and 6,108.82

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Solution

The fourth proportional to 9,939.27, 13,710.77 and 6,108.82 is: 8,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.27 : 13,710.77 = 6,108.82 : x
  2. Step 2: Convert to fraction form
    9,939.27/13,710.77 = 6,108.82/x
  3. Step 3: Cross multiply
    9,939.27x = 13,710.77 × 6,108.82
  4. Step 4: Simplify right side
    9,939.27x = 83,756,584.08
  5. Step 5: Solve for x
    x = 83,756,584.08/9,939.27
  6. Step 6: Final answer
    x = 8,426.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.