Home / 17,977.83-26,975.84-12,122.13

Finding the Fourth Proportional to 17,977.83, 26,975.84 and 12,122.13

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Solution

The fourth proportional to 17,977.83, 26,975.84 and 12,122.13 is: 18,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.83 : 26,975.84 = 12,122.13 : x
  2. Step 2: Convert to fraction form
    17,977.83/26,975.84 = 12,122.13/x
  3. Step 3: Cross multiply
    17,977.83x = 26,975.84 × 12,122.13
  4. Step 4: Simplify right side
    17,977.83x = 327,004,639.34
  5. Step 5: Solve for x
    x = 327,004,639.34/17,977.83
  6. Step 6: Final answer
    x = 18,189.33

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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.