Home / 17,905.92-26,858.88-6,212.80

Finding the Fourth Proportional to 17,905.92, 26,858.88 and 6,212.80

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Solution

The fourth proportional to 17,905.92, 26,858.88 and 6,212.80 is: 9,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.92 : 26,858.88 = 6,212.80 : x
  2. Step 2: Convert to fraction form
    17,905.92/26,858.88 = 6,212.80/x
  3. Step 3: Cross multiply
    17,905.92x = 26,858.88 × 6,212.80
  4. Step 4: Simplify right side
    17,905.92x = 166,868,849.66
  5. Step 5: Solve for x
    x = 166,868,849.66/17,905.92
  6. Step 6: Final answer
    x = 9,319.20

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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.