Home / 20,177.94-30,273.48-8,488.02

Finding the Fourth Proportional to 20,177.94, 30,273.48 and 8,488.02

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Solution

The fourth proportional to 20,177.94, 30,273.48 and 8,488.02 is: 12,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.94 : 30,273.48 = 8,488.02 : x
  2. Step 2: Convert to fraction form
    20,177.94/30,273.48 = 8,488.02/x
  3. Step 3: Cross multiply
    20,177.94x = 30,273.48 × 8,488.02
  4. Step 4: Simplify right side
    20,177.94x = 256,961,903.71
  5. Step 5: Solve for x
    x = 256,961,903.71/20,177.94
  6. Step 6: Final answer
    x = 12,734.79

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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.