Home / 17,981.80-26,971.79-6,294.11

Finding the Fourth Proportional to 17,981.80, 26,971.79 and 6,294.11

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Solution

The fourth proportional to 17,981.80, 26,971.79 and 6,294.11 is: 9,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.80 : 26,971.79 = 6,294.11 : x
  2. Step 2: Convert to fraction form
    17,981.80/26,971.79 = 6,294.11/x
  3. Step 3: Cross multiply
    17,981.80x = 26,971.79 × 6,294.11
  4. Step 4: Simplify right side
    17,981.80x = 169,763,246.83
  5. Step 5: Solve for x
    x = 169,763,246.83/17,981.80
  6. Step 6: Final answer
    x = 9,440.84

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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.