Home / 19,919.40-29,871.96-6,589.95

Finding the Fourth Proportional to 19,919.40, 29,871.96 and 6,589.95

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Solution

The fourth proportional to 19,919.40, 29,871.96 and 6,589.95 is: 9,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.40 : 29,871.96 = 6,589.95 : x
  2. Step 2: Convert to fraction form
    19,919.40/29,871.96 = 6,589.95/x
  3. Step 3: Cross multiply
    19,919.40x = 29,871.96 × 6,589.95
  4. Step 4: Simplify right side
    19,919.40x = 196,854,722.80
  5. Step 5: Solve for x
    x = 196,854,722.80/19,919.40
  6. Step 6: Final answer
    x = 9,882.56

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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.