Home / 19,235.28-28,856.66-7,388.18

Finding the Fourth Proportional to 19,235.28, 28,856.66 and 7,388.18

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Solution

The fourth proportional to 19,235.28, 28,856.66 and 7,388.18 is: 11,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.28 : 28,856.66 = 7,388.18 : x
  2. Step 2: Convert to fraction form
    19,235.28/28,856.66 = 7,388.18/x
  3. Step 3: Cross multiply
    19,235.28x = 28,856.66 × 7,388.18
  4. Step 4: Simplify right side
    19,235.28x = 213,198,198.28
  5. Step 5: Solve for x
    x = 213,198,198.28/19,235.28
  6. Step 6: Final answer
    x = 11,083.71

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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.