Home / 10,991.29-16,486.94-7,300.73

Finding the Fourth Proportional to 10,991.29, 16,486.94 and 7,300.73

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Solution

The fourth proportional to 10,991.29, 16,486.94 and 7,300.73 is: 10,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.29 : 16,486.94 = 7,300.73 : x
  2. Step 2: Convert to fraction form
    10,991.29/16,486.94 = 7,300.73/x
  3. Step 3: Cross multiply
    10,991.29x = 16,486.94 × 7,300.73
  4. Step 4: Simplify right side
    10,991.29x = 120,366,697.47
  5. Step 5: Solve for x
    x = 120,366,697.47/10,991.29
  6. Step 6: Final answer
    x = 10,951.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.