Home / 20,168.28-30,233.97-8,482.32

Finding the Fourth Proportional to 20,168.28, 30,233.97 and 8,482.32

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Solution

The fourth proportional to 20,168.28, 30,233.97 and 8,482.32 is: 12,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168.28 : 30,233.97 = 8,482.32 : x
  2. Step 2: Convert to fraction form
    20,168.28/30,233.97 = 8,482.32/x
  3. Step 3: Cross multiply
    20,168.28x = 30,233.97 × 8,482.32
  4. Step 4: Simplify right side
    20,168.28x = 256,454,208.41
  5. Step 5: Solve for x
    x = 256,454,208.41/20,168.28
  6. Step 6: Final answer
    x = 12,715.72

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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.