Home / 20,414.60-30,622.04-5,624.32

Finding the Fourth Proportional to 20,414.60, 30,622.04 and 5,624.32

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Solution

The fourth proportional to 20,414.60, 30,622.04 and 5,624.32 is: 8,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.60 : 30,622.04 = 5,624.32 : x
  2. Step 2: Convert to fraction form
    20,414.60/30,622.04 = 5,624.32/x
  3. Step 3: Cross multiply
    20,414.60x = 30,622.04 × 5,624.32
  4. Step 4: Simplify right side
    20,414.60x = 172,228,152.01
  5. Step 5: Solve for x
    x = 172,228,152.01/20,414.60
  6. Step 6: Final answer
    x = 8,436.52

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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.