Home / 18,977.08-26,187.42-10,591.96

Finding the Fourth Proportional to 18,977.08, 26,187.42 and 10,591.96

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Solution

The fourth proportional to 18,977.08, 26,187.42 and 10,591.96 is: 14,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.08 : 26,187.42 = 10,591.96 : x
  2. Step 2: Convert to fraction form
    18,977.08/26,187.42 = 10,591.96/x
  3. Step 3: Cross multiply
    18,977.08x = 26,187.42 × 10,591.96
  4. Step 4: Simplify right side
    18,977.08x = 277,376,105.14
  5. Step 5: Solve for x
    x = 277,376,105.14/18,977.08
  6. Step 6: Final answer
    x = 14,616.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.