Home / 20,010.04-30,007.86-6,858.88

Finding the Fourth Proportional to 20,010.04, 30,007.86 and 6,858.88

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Solution

The fourth proportional to 20,010.04, 30,007.86 and 6,858.88 is: 10,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.04 : 30,007.86 = 6,858.88 : x
  2. Step 2: Convert to fraction form
    20,010.04/30,007.86 = 6,858.88/x
  3. Step 3: Cross multiply
    20,010.04x = 30,007.86 × 6,858.88
  4. Step 4: Simplify right side
    20,010.04x = 205,820,310.80
  5. Step 5: Solve for x
    x = 205,820,310.80/20,010.04
  6. Step 6: Final answer
    x = 10,285.85

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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.