Home / 10,991.98-16,496.83-6,251.05

Finding the Fourth Proportional to 10,991.98, 16,496.83 and 6,251.05

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Solution

The fourth proportional to 10,991.98, 16,496.83 and 6,251.05 is: 9,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.98 : 16,496.83 = 6,251.05 : x
  2. Step 2: Convert to fraction form
    10,991.98/16,496.83 = 6,251.05/x
  3. Step 3: Cross multiply
    10,991.98x = 16,496.83 × 6,251.05
  4. Step 4: Simplify right side
    10,991.98x = 103,122,537.61
  5. Step 5: Solve for x
    x = 103,122,537.61/10,991.98
  6. Step 6: Final answer
    x = 9,381.62

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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.