Home / 20,260.08-30,390.12-5,468.99

Finding the Fourth Proportional to 20,260.08, 30,390.12 and 5,468.99

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Solution

The fourth proportional to 20,260.08, 30,390.12 and 5,468.99 is: 8,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.08 : 30,390.12 = 5,468.99 : x
  2. Step 2: Convert to fraction form
    20,260.08/30,390.12 = 5,468.99/x
  3. Step 3: Cross multiply
    20,260.08x = 30,390.12 × 5,468.99
  4. Step 4: Simplify right side
    20,260.08x = 166,203,110.43
  5. Step 5: Solve for x
    x = 166,203,110.43/20,260.08
  6. Step 6: Final answer
    x = 8,203.48

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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.