Home / 20,239.86-30,350.37-6,909.24

Finding the Fourth Proportional to 20,239.86, 30,350.37 and 6,909.24

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Solution

The fourth proportional to 20,239.86, 30,350.37 and 6,909.24 is: 10,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.86 : 30,350.37 = 6,909.24 : x
  2. Step 2: Convert to fraction form
    20,239.86/30,350.37 = 6,909.24/x
  3. Step 3: Cross multiply
    20,239.86x = 30,350.37 × 6,909.24
  4. Step 4: Simplify right side
    20,239.86x = 209,697,990.42
  5. Step 5: Solve for x
    x = 209,697,990.42/20,239.86
  6. Step 6: Final answer
    x = 10,360.64

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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.