Home / 13,433.94-20,149.05-3,574.02

Finding the Fourth Proportional to 13,433.94, 20,149.05 and 3,574.02

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Solution

The fourth proportional to 13,433.94, 20,149.05 and 3,574.02 is: 5,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.94 : 20,149.05 = 3,574.02 : x
  2. Step 2: Convert to fraction form
    13,433.94/20,149.05 = 3,574.02/x
  3. Step 3: Cross multiply
    13,433.94x = 20,149.05 × 3,574.02
  4. Step 4: Simplify right side
    13,433.94x = 72,013,107.68
  5. Step 5: Solve for x
    x = 72,013,107.68/13,433.94
  6. Step 6: Final answer
    x = 5,360.54

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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.