Home / 11,868.42-17,769.82-8,937.84

Finding the Fourth Proportional to 11,868.42, 17,769.82 and 8,937.84

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Solution

The fourth proportional to 11,868.42, 17,769.82 and 8,937.84 is: 13,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.42 : 17,769.82 = 8,937.84 : x
  2. Step 2: Convert to fraction form
    11,868.42/17,769.82 = 8,937.84/x
  3. Step 3: Cross multiply
    11,868.42x = 17,769.82 × 8,937.84
  4. Step 4: Simplify right side
    11,868.42x = 158,823,807.99
  5. Step 5: Solve for x
    x = 158,823,807.99/11,868.42
  6. Step 6: Final answer
    x = 13,382.05

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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.