Home / 11,640.48-16,063.56-6,796.20

Finding the Fourth Proportional to 11,640.48, 16,063.56 and 6,796.20

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Solution

The fourth proportional to 11,640.48, 16,063.56 and 6,796.20 is: 9,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.48 : 16,063.56 = 6,796.20 : x
  2. Step 2: Convert to fraction form
    11,640.48/16,063.56 = 6,796.20/x
  3. Step 3: Cross multiply
    11,640.48x = 16,063.56 × 6,796.20
  4. Step 4: Simplify right side
    11,640.48x = 109,171,166.47
  5. Step 5: Solve for x
    x = 109,171,166.47/11,640.48
  6. Step 6: Final answer
    x = 9,378.58

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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.