Home / 10,104.85-13,936.66-7,271.78

Finding the Fourth Proportional to 10,104.85, 13,936.66 and 7,271.78

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Solution

The fourth proportional to 10,104.85, 13,936.66 and 7,271.78 is: 10,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.85 : 13,936.66 = 7,271.78 : x
  2. Step 2: Convert to fraction form
    10,104.85/13,936.66 = 7,271.78/x
  3. Step 3: Cross multiply
    10,104.85x = 13,936.66 × 7,271.78
  4. Step 4: Simplify right side
    10,104.85x = 101,344,237.59
  5. Step 5: Solve for x
    x = 101,344,237.59/10,104.85
  6. Step 6: Final answer
    x = 10,029.27

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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.