Home / 20,673.73-31,010.79-6,633.79

Finding the Fourth Proportional to 20,673.73, 31,010.79 and 6,633.79

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Solution

The fourth proportional to 20,673.73, 31,010.79 and 6,633.79 is: 9,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.73 : 31,010.79 = 6,633.79 : x
  2. Step 2: Convert to fraction form
    20,673.73/31,010.79 = 6,633.79/x
  3. Step 3: Cross multiply
    20,673.73x = 31,010.79 × 6,633.79
  4. Step 4: Simplify right side
    20,673.73x = 205,719,068.59
  5. Step 5: Solve for x
    x = 205,719,068.59/20,673.73
  6. Step 6: Final answer
    x = 9,950.75

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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.