Home / 9,699.27-13,387.10-6,161.79

Finding the Fourth Proportional to 9,699.27, 13,387.10 and 6,161.79

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Solution

The fourth proportional to 9,699.27, 13,387.10 and 6,161.79 is: 8,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.27 : 13,387.10 = 6,161.79 : x
  2. Step 2: Convert to fraction form
    9,699.27/13,387.10 = 6,161.79/x
  3. Step 3: Cross multiply
    9,699.27x = 13,387.10 × 6,161.79
  4. Step 4: Simplify right side
    9,699.27x = 82,488,498.91
  5. Step 5: Solve for x
    x = 82,488,498.91/9,699.27
  6. Step 6: Final answer
    x = 8,504.61

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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.