Home / 17,908.90-26,863.38-6,222.15

Finding the Fourth Proportional to 17,908.90, 26,863.38 and 6,222.15

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Solution

The fourth proportional to 17,908.90, 26,863.38 and 6,222.15 is: 9,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.90 : 26,863.38 = 6,222.15 : x
  2. Step 2: Convert to fraction form
    17,908.90/26,863.38 = 6,222.15/x
  3. Step 3: Cross multiply
    17,908.90x = 26,863.38 × 6,222.15
  4. Step 4: Simplify right side
    17,908.90x = 167,147,979.87
  5. Step 5: Solve for x
    x = 167,147,979.87/17,908.90
  6. Step 6: Final answer
    x = 9,333.24

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1.5x scale

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.