Home / 8,865.09-13,241.52-6,896.79

Finding the Fourth Proportional to 8,865.09, 13,241.52 and 6,896.79

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Solution

The fourth proportional to 8,865.09, 13,241.52 and 6,896.79 is: 10,301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.09 : 13,241.52 = 6,896.79 : x
  2. Step 2: Convert to fraction form
    8,865.09/13,241.52 = 6,896.79/x
  3. Step 3: Cross multiply
    8,865.09x = 13,241.52 × 6,896.79
  4. Step 4: Simplify right side
    8,865.09x = 91,323,982.72
  5. Step 5: Solve for x
    x = 91,323,982.72/8,865.09
  6. Step 6: Final answer
    x = 10,301.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.