Home / 20,566.18-30,850.89-5,776.30

Finding the Fourth Proportional to 20,566.18, 30,850.89 and 5,776.30

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Solution

The fourth proportional to 20,566.18, 30,850.89 and 5,776.30 is: 8,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.18 : 30,850.89 = 5,776.30 : x
  2. Step 2: Convert to fraction form
    20,566.18/30,850.89 = 5,776.30/x
  3. Step 3: Cross multiply
    20,566.18x = 30,850.89 × 5,776.30
  4. Step 4: Simplify right side
    20,566.18x = 178,203,995.91
  5. Step 5: Solve for x
    x = 178,203,995.91/20,566.18
  6. Step 6: Final answer
    x = 8,664.90

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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.