Home / 20,066.08-30,087.24-8,216.32

Finding the Fourth Proportional to 20,066.08, 30,087.24 and 8,216.32

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Solution

The fourth proportional to 20,066.08, 30,087.24 and 8,216.32 is: 12,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.08 : 30,087.24 = 8,216.32 : x
  2. Step 2: Convert to fraction form
    20,066.08/30,087.24 = 8,216.32/x
  3. Step 3: Cross multiply
    20,066.08x = 30,087.24 × 8,216.32
  4. Step 4: Simplify right side
    20,066.08x = 247,206,391.76
  5. Step 5: Solve for x
    x = 247,206,391.76/20,066.08
  6. Step 6: Final answer
    x = 12,319.62

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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.