Home / 20,357.78-30,536.65-5,566.83

Finding the Fourth Proportional to 20,357.78, 30,536.65 and 5,566.83

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Solution

The fourth proportional to 20,357.78, 30,536.65 and 5,566.83 is: 8,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357.78 : 30,536.65 = 5,566.83 : x
  2. Step 2: Convert to fraction form
    20,357.78/30,536.65 = 5,566.83/x
  3. Step 3: Cross multiply
    20,357.78x = 30,536.65 × 5,566.83
  4. Step 4: Simplify right side
    20,357.78x = 169,992,200.45
  5. Step 5: Solve for x
    x = 169,992,200.45/20,357.78
  6. Step 6: Final answer
    x = 8,350.23

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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.