Home / 19,236.92-28,858.41-7,390.22

Finding the Fourth Proportional to 19,236.92, 28,858.41 and 7,390.22

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Solution

The fourth proportional to 19,236.92, 28,858.41 and 7,390.22 is: 11,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.92 : 28,858.41 = 7,390.22 : x
  2. Step 2: Convert to fraction form
    19,236.92/28,858.41 = 7,390.22/x
  3. Step 3: Cross multiply
    19,236.92x = 28,858.41 × 7,390.22
  4. Step 4: Simplify right side
    19,236.92x = 213,269,854.46
  5. Step 5: Solve for x
    x = 213,269,854.46/19,236.92
  6. Step 6: Final answer
    x = 11,086.49

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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.