Home / 15,228.70-20,996.58-11,648.14

Finding the Fourth Proportional to 15,228.70, 20,996.58 and 11,648.14

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Solution

The fourth proportional to 15,228.70, 20,996.58 and 11,648.14 is: 16,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.70 : 20,996.58 = 11,648.14 : x
  2. Step 2: Convert to fraction form
    15,228.70/20,996.58 = 11,648.14/x
  3. Step 3: Cross multiply
    15,228.70x = 20,996.58 × 11,648.14
  4. Step 4: Simplify right side
    15,228.70x = 244,571,103.36
  5. Step 5: Solve for x
    x = 244,571,103.36/15,228.70
  6. Step 6: Final answer
    x = 16,059.88

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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.