Home / 13,249.80-19,842.30-8,843.40

Finding the Fourth Proportional to 13,249.80, 19,842.30 and 8,843.40

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Solution

The fourth proportional to 13,249.80, 19,842.30 and 8,843.40 is: 13,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.80 : 19,842.30 = 8,843.40 : x
  2. Step 2: Convert to fraction form
    13,249.80/19,842.30 = 8,843.40/x
  3. Step 3: Cross multiply
    13,249.80x = 19,842.30 × 8,843.40
  4. Step 4: Simplify right side
    13,249.80x = 175,473,395.82
  5. Step 5: Solve for x
    x = 175,473,395.82/13,249.80
  6. Step 6: Final answer
    x = 13,243.48

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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.