Home / 11,704.06-16,141.98-8,345.80

Finding the Fourth Proportional to 11,704.06, 16,141.98 and 8,345.80

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Solution

The fourth proportional to 11,704.06, 16,141.98 and 8,345.80 is: 11,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.06 : 16,141.98 = 8,345.80 : x
  2. Step 2: Convert to fraction form
    11,704.06/16,141.98 = 8,345.80/x
  3. Step 3: Cross multiply
    11,704.06x = 16,141.98 × 8,345.80
  4. Step 4: Simplify right side
    11,704.06x = 134,717,736.68
  5. Step 5: Solve for x
    x = 134,717,736.68/11,704.06
  6. Step 6: Final answer
    x = 11,510.34

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Double scale
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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.