Home / 11,761.76-16,236.60-7,288.04

Finding the Fourth Proportional to 11,761.76, 16,236.60 and 7,288.04

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Solution

The fourth proportional to 11,761.76, 16,236.60 and 7,288.04 is: 10,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.76 : 16,236.60 = 7,288.04 : x
  2. Step 2: Convert to fraction form
    11,761.76/16,236.60 = 7,288.04/x
  3. Step 3: Cross multiply
    11,761.76x = 16,236.60 × 7,288.04
  4. Step 4: Simplify right side
    11,761.76x = 118,332,990.26
  5. Step 5: Solve for x
    x = 118,332,990.26/11,761.76
  6. Step 6: Final answer
    x = 10,060.82

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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.