Home / 20,098.86-30,151.77-6,770.58

Finding the Fourth Proportional to 20,098.86, 30,151.77 and 6,770.58

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Solution

The fourth proportional to 20,098.86, 30,151.77 and 6,770.58 is: 10,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.86 : 30,151.77 = 6,770.58 : x
  2. Step 2: Convert to fraction form
    20,098.86/30,151.77 = 6,770.58/x
  3. Step 3: Cross multiply
    20,098.86x = 30,151.77 × 6,770.58
  4. Step 4: Simplify right side
    20,098.86x = 204,144,970.93
  5. Step 5: Solve for x
    x = 204,144,970.93/20,098.86
  6. Step 6: Final answer
    x = 10,157.04

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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.