Home / 20,040.21-30,060.32-6,892.70

Finding the Fourth Proportional to 20,040.21, 30,060.32 and 6,892.70

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Solution

The fourth proportional to 20,040.21, 30,060.32 and 6,892.70 is: 10,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.21 : 30,060.32 = 6,892.70 : x
  2. Step 2: Convert to fraction form
    20,040.21/30,060.32 = 6,892.70/x
  3. Step 3: Cross multiply
    20,040.21x = 30,060.32 × 6,892.70
  4. Step 4: Simplify right side
    20,040.21x = 207,196,582.90
  5. Step 5: Solve for x
    x = 207,196,582.90/20,040.21
  6. Step 6: Final answer
    x = 10,339.04

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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.