Home / 18,873.90-26,000.99-13,198.04

Finding the Fourth Proportional to 18,873.90, 26,000.99 and 13,198.04

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Solution

The fourth proportional to 18,873.90, 26,000.99 and 13,198.04 is: 18,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.90 : 26,000.99 = 13,198.04 : x
  2. Step 2: Convert to fraction form
    18,873.90/26,000.99 = 13,198.04/x
  3. Step 3: Cross multiply
    18,873.90x = 26,000.99 × 13,198.04
  4. Step 4: Simplify right side
    18,873.90x = 343,161,910.06
  5. Step 5: Solve for x
    x = 343,161,910.06/18,873.90
  6. Step 6: Final answer
    x = 18,181.82

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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.