Home / 19,998.27-30,001.65-6,847.11

Finding the Fourth Proportional to 19,998.27, 30,001.65 and 6,847.11

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Solution

The fourth proportional to 19,998.27, 30,001.65 and 6,847.11 is: 10,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.27 : 30,001.65 = 6,847.11 : x
  2. Step 2: Convert to fraction form
    19,998.27/30,001.65 = 6,847.11/x
  3. Step 3: Cross multiply
    19,998.27x = 30,001.65 × 6,847.11
  4. Step 4: Simplify right side
    19,998.27x = 205,424,597.73
  5. Step 5: Solve for x
    x = 205,424,597.73/19,998.27
  6. Step 6: Final answer
    x = 10,272.12

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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.