Home / 13,733.13-18,951.61-7,765.97

Finding the Fourth Proportional to 13,733.13, 18,951.61 and 7,765.97

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Solution

The fourth proportional to 13,733.13, 18,951.61 and 7,765.97 is: 10,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.13 : 18,951.61 = 7,765.97 : x
  2. Step 2: Convert to fraction form
    13,733.13/18,951.61 = 7,765.97/x
  3. Step 3: Cross multiply
    13,733.13x = 18,951.61 × 7,765.97
  4. Step 4: Simplify right side
    13,733.13x = 147,177,595.88
  5. Step 5: Solve for x
    x = 147,177,595.88/13,733.13
  6. Step 6: Final answer
    x = 10,716.97

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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.