Home / 12,793.28-19,188.57-3,434.27

Finding the Fourth Proportional to 12,793.28, 19,188.57 and 3,434.27

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Solution

The fourth proportional to 12,793.28, 19,188.57 and 3,434.27 is: 5,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.28 : 19,188.57 = 3,434.27 : x
  2. Step 2: Convert to fraction form
    12,793.28/19,188.57 = 3,434.27/x
  3. Step 3: Cross multiply
    12,793.28x = 19,188.57 × 3,434.27
  4. Step 4: Simplify right side
    12,793.28x = 65,898,730.29
  5. Step 5: Solve for x
    x = 65,898,730.29/12,793.28
  6. Step 6: Final answer
    x = 5,151.04

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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.