Home / 9,381.80-14,072.66-3,837.72

Finding the Fourth Proportional to 9,381.80, 14,072.66 and 3,837.72

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Solution

The fourth proportional to 9,381.80, 14,072.66 and 3,837.72 is: 5,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.80 : 14,072.66 = 3,837.72 : x
  2. Step 2: Convert to fraction form
    9,381.80/14,072.66 = 3,837.72/x
  3. Step 3: Cross multiply
    9,381.80x = 14,072.66 × 3,837.72
  4. Step 4: Simplify right side
    9,381.80x = 54,006,928.74
  5. Step 5: Solve for x
    x = 54,006,928.74/9,381.80
  6. Step 6: Final answer
    x = 5,756.56

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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.