Home / 17,958.22-26,940.70-5,479.36

Finding the Fourth Proportional to 17,958.22, 26,940.70 and 5,479.36

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Solution

The fourth proportional to 17,958.22, 26,940.70 and 5,479.36 is: 8,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.22 : 26,940.70 = 5,479.36 : x
  2. Step 2: Convert to fraction form
    17,958.22/26,940.70 = 5,479.36/x
  3. Step 3: Cross multiply
    17,958.22x = 26,940.70 × 5,479.36
  4. Step 4: Simplify right side
    17,958.22x = 147,617,793.95
  5. Step 5: Solve for x
    x = 147,617,793.95/17,958.22
  6. Step 6: Final answer
    x = 8,220.07

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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.