Home / 20,095.29-30,138.89-6,766.74

Finding the Fourth Proportional to 20,095.29, 30,138.89 and 6,766.74

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Solution

The fourth proportional to 20,095.29, 30,138.89 and 6,766.74 is: 10,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.29 : 30,138.89 = 6,766.74 : x
  2. Step 2: Convert to fraction form
    20,095.29/30,138.89 = 6,766.74/x
  3. Step 3: Cross multiply
    20,095.29x = 30,138.89 × 6,766.74
  4. Step 4: Simplify right side
    20,095.29x = 203,941,998.68
  5. Step 5: Solve for x
    x = 203,941,998.68/20,095.29
  6. Step 6: Final answer
    x = 10,148.75

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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.