Home / 19,998.50-27,608.85-12,451.32

Finding the Fourth Proportional to 19,998.50, 27,608.85 and 12,451.32

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Solution

The fourth proportional to 19,998.50, 27,608.85 and 12,451.32 is: 17,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.50 : 27,608.85 = 12,451.32 : x
  2. Step 2: Convert to fraction form
    19,998.50/27,608.85 = 12,451.32/x
  3. Step 3: Cross multiply
    19,998.50x = 27,608.85 × 12,451.32
  4. Step 4: Simplify right side
    19,998.50x = 343,766,626.18
  5. Step 5: Solve for x
    x = 343,766,626.18/19,998.50
  6. Step 6: Final answer
    x = 17,189.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.