Home / 17,769.60-26,634.96-12,559.68

Finding the Fourth Proportional to 17,769.60, 26,634.96 and 12,559.68

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Solution

The fourth proportional to 17,769.60, 26,634.96 and 12,559.68 is: 18,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.60 : 26,634.96 = 12,559.68 : x
  2. Step 2: Convert to fraction form
    17,769.60/26,634.96 = 12,559.68/x
  3. Step 3: Cross multiply
    17,769.60x = 26,634.96 × 12,559.68
  4. Step 4: Simplify right side
    17,769.60x = 334,526,574.41
  5. Step 5: Solve for x
    x = 334,526,574.41/17,769.60
  6. Step 6: Final answer
    x = 18,825.78

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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.