Home / 13,289.43-19,936.61-5,498.85

Finding the Fourth Proportional to 13,289.43, 19,936.61 and 5,498.85

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Solution

The fourth proportional to 13,289.43, 19,936.61 and 5,498.85 is: 8,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.43 : 19,936.61 = 5,498.85 : x
  2. Step 2: Convert to fraction form
    13,289.43/19,936.61 = 5,498.85/x
  3. Step 3: Cross multiply
    13,289.43x = 19,936.61 × 5,498.85
  4. Step 4: Simplify right side
    13,289.43x = 109,628,400.40
  5. Step 5: Solve for x
    x = 109,628,400.40/13,289.43
  6. Step 6: Final answer
    x = 8,249.29

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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.