Home / 20,216.09-30,329.98-8,367.67

Finding the Fourth Proportional to 20,216.09, 30,329.98 and 8,367.67

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Solution

The fourth proportional to 20,216.09, 30,329.98 and 8,367.67 is: 12,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.09 : 30,329.98 = 8,367.67 : x
  2. Step 2: Convert to fraction form
    20,216.09/30,329.98 = 8,367.67/x
  3. Step 3: Cross multiply
    20,216.09x = 30,329.98 × 8,367.67
  4. Step 4: Simplify right side
    20,216.09x = 253,791,167.00
  5. Step 5: Solve for x
    x = 253,791,167.00/20,216.09
  6. Step 6: Final answer
    x = 12,553.92

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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.