Home / 20,152.11-30,228.12-5,361.05

Finding the Fourth Proportional to 20,152.11, 30,228.12 and 5,361.05

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Solution

The fourth proportional to 20,152.11, 30,228.12 and 5,361.05 is: 8,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.11 : 30,228.12 = 5,361.05 : x
  2. Step 2: Convert to fraction form
    20,152.11/30,228.12 = 5,361.05/x
  3. Step 3: Cross multiply
    20,152.11x = 30,228.12 × 5,361.05
  4. Step 4: Simplify right side
    20,152.11x = 162,054,462.73
  5. Step 5: Solve for x
    x = 162,054,462.73/20,152.11
  6. Step 6: Final answer
    x = 8,041.56

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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.