Home / 20,403.41-30,596.76-6,358.68

Finding the Fourth Proportional to 20,403.41, 30,596.76 and 6,358.68

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Solution

The fourth proportional to 20,403.41, 30,596.76 and 6,358.68 is: 9,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403.41 : 30,596.76 = 6,358.68 : x
  2. Step 2: Convert to fraction form
    20,403.41/30,596.76 = 6,358.68/x
  3. Step 3: Cross multiply
    20,403.41x = 30,596.76 × 6,358.68
  4. Step 4: Simplify right side
    20,403.41x = 194,555,005.88
  5. Step 5: Solve for x
    x = 194,555,005.88/20,403.41
  6. Step 6: Final answer
    x = 9,535.42

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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.