Home / 20,276.76-30,414.21-6,950.93

Finding the Fourth Proportional to 20,276.76, 30,414.21 and 6,950.93

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Solution

The fourth proportional to 20,276.76, 30,414.21 and 6,950.93 is: 10,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.76 : 30,414.21 = 6,950.93 : x
  2. Step 2: Convert to fraction form
    20,276.76/30,414.21 = 6,950.93/x
  3. Step 3: Cross multiply
    20,276.76x = 30,414.21 × 6,950.93
  4. Step 4: Simplify right side
    20,276.76x = 211,407,143.36
  5. Step 5: Solve for x
    x = 211,407,143.36/20,276.76
  6. Step 6: Final answer
    x = 10,426.08

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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.