Home / 15,076.73-20,805.68-8,362.37

Finding the Fourth Proportional to 15,076.73, 20,805.68 and 8,362.37

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Solution

The fourth proportional to 15,076.73, 20,805.68 and 8,362.37 is: 11,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.73 : 20,805.68 = 8,362.37 : x
  2. Step 2: Convert to fraction form
    15,076.73/20,805.68 = 8,362.37/x
  3. Step 3: Cross multiply
    15,076.73x = 20,805.68 × 8,362.37
  4. Step 4: Simplify right side
    15,076.73x = 173,984,648.42
  5. Step 5: Solve for x
    x = 173,984,648.42/15,076.73
  6. Step 6: Final answer
    x = 11,539.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.