Home / 19,964.58-29,897.66-12,550.65

Finding the Fourth Proportional to 19,964.58, 29,897.66 and 12,550.65

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Solution

The fourth proportional to 19,964.58, 29,897.66 and 12,550.65 is: 18,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.58 : 29,897.66 = 12,550.65 : x
  2. Step 2: Convert to fraction form
    19,964.58/29,897.66 = 12,550.65/x
  3. Step 3: Cross multiply
    19,964.58x = 29,897.66 × 12,550.65
  4. Step 4: Simplify right side
    19,964.58x = 375,235,003.73
  5. Step 5: Solve for x
    x = 375,235,003.73/19,964.58
  6. Step 6: Final answer
    x = 18,795.04

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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.