Home / 20,803.75-31,193.15-9,544.99

Finding the Fourth Proportional to 20,803.75, 31,193.15 and 9,544.99

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Solution

The fourth proportional to 20,803.75, 31,193.15 and 9,544.99 is: 14,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803.75 : 31,193.15 = 9,544.99 : x
  2. Step 2: Convert to fraction form
    20,803.75/31,193.15 = 9,544.99/x
  3. Step 3: Cross multiply
    20,803.75x = 31,193.15 × 9,544.99
  4. Step 4: Simplify right side
    20,803.75x = 297,738,304.82
  5. Step 5: Solve for x
    x = 297,738,304.82/20,803.75
  6. Step 6: Final answer
    x = 14,311.76

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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.