Home / 11,270.16-16,907.80-3,479.60

Finding the Fourth Proportional to 11,270.16, 16,907.80 and 3,479.60

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Solution

The fourth proportional to 11,270.16, 16,907.80 and 3,479.60 is: 5,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.16 : 16,907.80 = 3,479.60 : x
  2. Step 2: Convert to fraction form
    11,270.16/16,907.80 = 3,479.60/x
  3. Step 3: Cross multiply
    11,270.16x = 16,907.80 × 3,479.60
  4. Step 4: Simplify right side
    11,270.16x = 58,832,380.88
  5. Step 5: Solve for x
    x = 58,832,380.88/11,270.16
  6. Step 6: Final answer
    x = 5,220.19

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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.