Home / 11,320.44-15,619.77-6,843.30

Finding the Fourth Proportional to 11,320.44, 15,619.77 and 6,843.30

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Solution

The fourth proportional to 11,320.44, 15,619.77 and 6,843.30 is: 9,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.44 : 15,619.77 = 6,843.30 : x
  2. Step 2: Convert to fraction form
    11,320.44/15,619.77 = 6,843.30/x
  3. Step 3: Cross multiply
    11,320.44x = 15,619.77 × 6,843.30
  4. Step 4: Simplify right side
    11,320.44x = 106,890,772.04
  5. Step 5: Solve for x
    x = 106,890,772.04/11,320.44
  6. Step 6: Final answer
    x = 9,442.28

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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.