Home / 17,911.82-26,868-6,225.44

Finding the Fourth Proportional to 17,911.82, 26,868 and 6,225.44

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Solution

The fourth proportional to 17,911.82, 26,868 and 6,225.44 is: 9,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.82 : 26,868 = 6,225.44 : x
  2. Step 2: Convert to fraction form
    17,911.82/26,868 = 6,225.44/x
  3. Step 3: Cross multiply
    17,911.82x = 26,868 × 6,225.44
  4. Step 4: Simplify right side
    17,911.82x = 167,265,121.92
  5. Step 5: Solve for x
    x = 167,265,121.92/17,911.82
  6. Step 6: Final answer
    x = 9,338.25

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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.