Home / 11,266.87-16,817.78-9,936.81

Finding the Fourth Proportional to 11,266.87, 16,817.78 and 9,936.81

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Solution

The fourth proportional to 11,266.87, 16,817.78 and 9,936.81 is: 14,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.87 : 16,817.78 = 9,936.81 : x
  2. Step 2: Convert to fraction form
    11,266.87/16,817.78 = 9,936.81/x
  3. Step 3: Cross multiply
    11,266.87x = 16,817.78 × 9,936.81
  4. Step 4: Simplify right side
    11,266.87x = 167,115,000.39
  5. Step 5: Solve for x
    x = 167,115,000.39/11,266.87
  6. Step 6: Final answer
    x = 14,832.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.