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Finding the Fourth Proportional to 17,874.19, 26,813.11 and 6,187.37

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Solution

The fourth proportional to 17,874.19, 26,813.11 and 6,187.37 is: 9,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.19 : 26,813.11 = 6,187.37 : x
  2. Step 2: Convert to fraction form
    17,874.19/26,813.11 = 6,187.37/x
  3. Step 3: Cross multiply
    17,874.19x = 26,813.11 × 6,187.37
  4. Step 4: Simplify right side
    17,874.19x = 165,902,683.99
  5. Step 5: Solve for x
    x = 165,902,683.99/17,874.19
  6. Step 6: Final answer
    x = 9,281.69

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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.