Home / 21,098.73-31,652.64-6,308.85

Finding the Fourth Proportional to 21,098.73, 31,652.64 and 6,308.85

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Solution

The fourth proportional to 21,098.73, 31,652.64 and 6,308.85 is: 9,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098.73 : 31,652.64 = 6,308.85 : x
  2. Step 2: Convert to fraction form
    21,098.73/31,652.64 = 6,308.85/x
  3. Step 3: Cross multiply
    21,098.73x = 31,652.64 × 6,308.85
  4. Step 4: Simplify right side
    21,098.73x = 199,691,757.86
  5. Step 5: Solve for x
    x = 199,691,757.86/21,098.73
  6. Step 6: Final answer
    x = 9,464.63

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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.