Home / 20,303.27-30,451.82-7,152.56

Finding the Fourth Proportional to 20,303.27, 30,451.82 and 7,152.56

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Solution

The fourth proportional to 20,303.27, 30,451.82 and 7,152.56 is: 10,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.27 : 30,451.82 = 7,152.56 : x
  2. Step 2: Convert to fraction form
    20,303.27/30,451.82 = 7,152.56/x
  3. Step 3: Cross multiply
    20,303.27x = 30,451.82 × 7,152.56
  4. Step 4: Simplify right side
    20,303.27x = 217,808,469.66
  5. Step 5: Solve for x
    x = 217,808,469.66/20,303.27
  6. Step 6: Final answer
    x = 10,727.75

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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.