Home / 17,919.56-26,890.14-6,240.98

Finding the Fourth Proportional to 17,919.56, 26,890.14 and 6,240.98

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Solution

The fourth proportional to 17,919.56, 26,890.14 and 6,240.98 is: 9,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.56 : 26,890.14 = 6,240.98 : x
  2. Step 2: Convert to fraction form
    17,919.56/26,890.14 = 6,240.98/x
  3. Step 3: Cross multiply
    17,919.56x = 26,890.14 × 6,240.98
  4. Step 4: Simplify right side
    17,919.56x = 167,820,825.94
  5. Step 5: Solve for x
    x = 167,820,825.94/17,919.56
  6. Step 6: Final answer
    x = 9,365.23

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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.