Home / 11,340.44-17,005.26-4,320.80

Finding the Fourth Proportional to 11,340.44, 17,005.26 and 4,320.80

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Solution

The fourth proportional to 11,340.44, 17,005.26 and 4,320.80 is: 6,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.44 : 17,005.26 = 4,320.80 : x
  2. Step 2: Convert to fraction form
    11,340.44/17,005.26 = 4,320.80/x
  3. Step 3: Cross multiply
    11,340.44x = 17,005.26 × 4,320.80
  4. Step 4: Simplify right side
    11,340.44x = 73,476,327.41
  5. Step 5: Solve for x
    x = 73,476,327.41/11,340.44
  6. Step 6: Final answer
    x = 6,479.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.