Home / 17,560.21-26,340.33-7,171.96

Finding the Fourth Proportional to 17,560.21, 26,340.33 and 7,171.96

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Solution

The fourth proportional to 17,560.21, 26,340.33 and 7,171.96 is: 10,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,560.21 : 26,340.33 = 7,171.96 : x
  2. Step 2: Convert to fraction form
    17,560.21/26,340.33 = 7,171.96/x
  3. Step 3: Cross multiply
    17,560.21x = 26,340.33 × 7,171.96
  4. Step 4: Simplify right side
    17,560.21x = 188,911,661.45
  5. Step 5: Solve for x
    x = 188,911,661.45/17,560.21
  6. Step 6: Final answer
    x = 10,757.94

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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.