Home / 20,773.97-31,161.01-8,295.01

Finding the Fourth Proportional to 20,773.97, 31,161.01 and 8,295.01

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Solution

The fourth proportional to 20,773.97, 31,161.01 and 8,295.01 is: 12,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.97 : 31,161.01 = 8,295.01 : x
  2. Step 2: Convert to fraction form
    20,773.97/31,161.01 = 8,295.01/x
  3. Step 3: Cross multiply
    20,773.97x = 31,161.01 × 8,295.01
  4. Step 4: Simplify right side
    20,773.97x = 258,480,967.46
  5. Step 5: Solve for x
    x = 258,480,967.46/20,773.97
  6. Step 6: Final answer
    x = 12,442.54

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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.