Home / 13,395.43-20,091.73-5,498.78

Finding the Fourth Proportional to 13,395.43, 20,091.73 and 5,498.78

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Solution

The fourth proportional to 13,395.43, 20,091.73 and 5,498.78 is: 8,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.43 : 20,091.73 = 5,498.78 : x
  2. Step 2: Convert to fraction form
    13,395.43/20,091.73 = 5,498.78/x
  3. Step 3: Cross multiply
    13,395.43x = 20,091.73 × 5,498.78
  4. Step 4: Simplify right side
    13,395.43x = 110,479,875.14
  5. Step 5: Solve for x
    x = 110,479,875.14/13,395.43
  6. Step 6: Final answer
    x = 8,247.58

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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.