Home / 20,844.95-31,273.26-8,373.74

Finding the Fourth Proportional to 20,844.95, 31,273.26 and 8,373.74

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Solution

The fourth proportional to 20,844.95, 31,273.26 and 8,373.74 is: 12,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.95 : 31,273.26 = 8,373.74 : x
  2. Step 2: Convert to fraction form
    20,844.95/31,273.26 = 8,373.74/x
  3. Step 3: Cross multiply
    20,844.95x = 31,273.26 × 8,373.74
  4. Step 4: Simplify right side
    20,844.95x = 261,874,226.38
  5. Step 5: Solve for x
    x = 261,874,226.38/20,844.95
  6. Step 6: Final answer
    x = 12,562.96

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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.