Home / 17,981.22-26,971.83-6,297.78

Finding the Fourth Proportional to 17,981.22, 26,971.83 and 6,297.78

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Solution

The fourth proportional to 17,981.22, 26,971.83 and 6,297.78 is: 9,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.22 : 26,971.83 = 6,297.78 : x
  2. Step 2: Convert to fraction form
    17,981.22/26,971.83 = 6,297.78/x
  3. Step 3: Cross multiply
    17,981.22x = 26,971.83 × 6,297.78
  4. Step 4: Simplify right side
    17,981.22x = 169,862,651.54
  5. Step 5: Solve for x
    x = 169,862,651.54/17,981.22
  6. Step 6: Final answer
    x = 9,446.67

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1.5x scale

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.