Home / 13,574.01-20,361.03-3,712.55

Finding the Fourth Proportional to 13,574.01, 20,361.03 and 3,712.55

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Solution

The fourth proportional to 13,574.01, 20,361.03 and 3,712.55 is: 5,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.01 : 20,361.03 = 3,712.55 : x
  2. Step 2: Convert to fraction form
    13,574.01/20,361.03 = 3,712.55/x
  3. Step 3: Cross multiply
    13,574.01x = 20,361.03 × 3,712.55
  4. Step 4: Simplify right side
    13,574.01x = 75,591,226.20
  5. Step 5: Solve for x
    x = 75,591,226.20/13,574.01
  6. Step 6: Final answer
    x = 5,568.82

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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.