Home / 15,076.53-20,805.26-8,788.50

Finding the Fourth Proportional to 15,076.53, 20,805.26 and 8,788.50

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Solution

The fourth proportional to 15,076.53, 20,805.26 and 8,788.50 is: 12,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.53 : 20,805.26 = 8,788.50 : x
  2. Step 2: Convert to fraction form
    15,076.53/20,805.26 = 8,788.50/x
  3. Step 3: Cross multiply
    15,076.53x = 20,805.26 × 8,788.50
  4. Step 4: Simplify right side
    15,076.53x = 182,846,983.57
  5. Step 5: Solve for x
    x = 182,846,983.57/15,076.53
  6. Step 6: Final answer
    x = 12,127.92

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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.