Home / 17,764.20-26,651.70-9,967.80

Finding the Fourth Proportional to 17,764.20, 26,651.70 and 9,967.80

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Solution

The fourth proportional to 17,764.20, 26,651.70 and 9,967.80 is: 14,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764.20 : 26,651.70 = 9,967.80 : x
  2. Step 2: Convert to fraction form
    17,764.20/26,651.70 = 9,967.80/x
  3. Step 3: Cross multiply
    17,764.20x = 26,651.70 × 9,967.80
  4. Step 4: Simplify right side
    17,764.20x = 265,658,815.26
  5. Step 5: Solve for x
    x = 265,658,815.26/17,764.20
  6. Step 6: Final answer
    x = 14,954.73

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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.