Home / 17,981.46-26,967.86-9,211.86

Finding the Fourth Proportional to 17,981.46, 26,967.86 and 9,211.86

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Solution

The fourth proportional to 17,981.46, 26,967.86 and 9,211.86 is: 13,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.46 : 26,967.86 = 9,211.86 : x
  2. Step 2: Convert to fraction form
    17,981.46/26,967.86 = 9,211.86/x
  3. Step 3: Cross multiply
    17,981.46x = 26,967.86 × 9,211.86
  4. Step 4: Simplify right side
    17,981.46x = 248,424,150.82
  5. Step 5: Solve for x
    x = 248,424,150.82/17,981.46
  6. Step 6: Final answer
    x = 13,815.57

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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.