Home / 19,974.01-29,937.93-8,272.75

Finding the Fourth Proportional to 19,974.01, 29,937.93 and 8,272.75

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Solution

The fourth proportional to 19,974.01, 29,937.93 and 8,272.75 is: 12,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.01 : 29,937.93 = 8,272.75 : x
  2. Step 2: Convert to fraction form
    19,974.01/29,937.93 = 8,272.75/x
  3. Step 3: Cross multiply
    19,974.01x = 29,937.93 × 8,272.75
  4. Step 4: Simplify right side
    19,974.01x = 247,669,010.41
  5. Step 5: Solve for x
    x = 247,669,010.41/19,974.01
  6. Step 6: Final answer
    x = 12,399.56

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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.