Home / 11,885.49-17,811.23-6,680.43

Finding the Fourth Proportional to 11,885.49, 17,811.23 and 6,680.43

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Solution

The fourth proportional to 11,885.49, 17,811.23 and 6,680.43 is: 10,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.49 : 17,811.23 = 6,680.43 : x
  2. Step 2: Convert to fraction form
    11,885.49/17,811.23 = 6,680.43/x
  3. Step 3: Cross multiply
    11,885.49x = 17,811.23 × 6,680.43
  4. Step 4: Simplify right side
    11,885.49x = 118,986,641.83
  5. Step 5: Solve for x
    x = 118,986,641.83/11,885.49
  6. Step 6: Final answer
    x = 10,011.08

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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.