Home / 17,977.11-26,965.76-6,290.34

Finding the Fourth Proportional to 17,977.11, 26,965.76 and 6,290.34

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Solution

The fourth proportional to 17,977.11, 26,965.76 and 6,290.34 is: 9,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.11 : 26,965.76 = 6,290.34 : x
  2. Step 2: Convert to fraction form
    17,977.11/26,965.76 = 6,290.34/x
  3. Step 3: Cross multiply
    17,977.11x = 26,965.76 × 6,290.34
  4. Step 4: Simplify right side
    17,977.11x = 169,623,767.31
  5. Step 5: Solve for x
    x = 169,623,767.31/17,977.11
  6. Step 6: Final answer
    x = 9,435.54

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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.