Home / 19,250.28-28,879.92-8,160.84

Finding the Fourth Proportional to 19,250.28, 28,879.92 and 8,160.84

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Solution

The fourth proportional to 19,250.28, 28,879.92 and 8,160.84 is: 12,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.28 : 28,879.92 = 8,160.84 : x
  2. Step 2: Convert to fraction form
    19,250.28/28,879.92 = 8,160.84/x
  3. Step 3: Cross multiply
    19,250.28x = 28,879.92 × 8,160.84
  4. Step 4: Simplify right side
    19,250.28x = 235,684,406.33
  5. Step 5: Solve for x
    x = 235,684,406.33/19,250.28
  6. Step 6: Final answer
    x = 12,243.17

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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.