Home / 19,964.88-29,950.97-8,279.01

Finding the Fourth Proportional to 19,964.88, 29,950.97 and 8,279.01

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Solution

The fourth proportional to 19,964.88, 29,950.97 and 8,279.01 is: 12,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.88 : 29,950.97 = 8,279.01 : x
  2. Step 2: Convert to fraction form
    19,964.88/29,950.97 = 8,279.01/x
  3. Step 3: Cross multiply
    19,964.88x = 29,950.97 × 8,279.01
  4. Step 4: Simplify right side
    19,964.88x = 247,964,338.74
  5. Step 5: Solve for x
    x = 247,964,338.74/19,964.88
  6. Step 6: Final answer
    x = 12,420.03

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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.