Home / 17,731.04-26,605.53-11,811.96

Finding the Fourth Proportional to 17,731.04, 26,605.53 and 11,811.96

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Solution

The fourth proportional to 17,731.04, 26,605.53 and 11,811.96 is: 17,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.04 : 26,605.53 = 11,811.96 : x
  2. Step 2: Convert to fraction form
    17,731.04/26,605.53 = 11,811.96/x
  3. Step 3: Cross multiply
    17,731.04x = 26,605.53 × 11,811.96
  4. Step 4: Simplify right side
    17,731.04x = 314,263,456.14
  5. Step 5: Solve for x
    x = 314,263,456.14/17,731.04
  6. Step 6: Final answer
    x = 17,723.92

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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.