Home / 11,754.60-16,220.30-6,717.82

Finding the Fourth Proportional to 11,754.60, 16,220.30 and 6,717.82

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Solution

The fourth proportional to 11,754.60, 16,220.30 and 6,717.82 is: 9,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.60 : 16,220.30 = 6,717.82 : x
  2. Step 2: Convert to fraction form
    11,754.60/16,220.30 = 6,717.82/x
  3. Step 3: Cross multiply
    11,754.60x = 16,220.30 × 6,717.82
  4. Step 4: Simplify right side
    11,754.60x = 108,965,055.75
  5. Step 5: Solve for x
    x = 108,965,055.75/11,754.60
  6. Step 6: Final answer
    x = 9,269.99

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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.