Home / 9,686.59-13,367.60-5,379.97

Finding the Fourth Proportional to 9,686.59, 13,367.60 and 5,379.97

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Solution

The fourth proportional to 9,686.59, 13,367.60 and 5,379.97 is: 7,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.59 : 13,367.60 = 5,379.97 : x
  2. Step 2: Convert to fraction form
    9,686.59/13,367.60 = 5,379.97/x
  3. Step 3: Cross multiply
    9,686.59x = 13,367.60 × 5,379.97
  4. Step 4: Simplify right side
    9,686.59x = 71,917,286.97
  5. Step 5: Solve for x
    x = 71,917,286.97/9,686.59
  6. Step 6: Final answer
    x = 7,424.42

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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.