Home / 11,287.20-16,933.72-6,611.16

Finding the Fourth Proportional to 11,287.20, 16,933.72 and 6,611.16

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Solution

The fourth proportional to 11,287.20, 16,933.72 and 6,611.16 is: 9,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.20 : 16,933.72 = 6,611.16 : x
  2. Step 2: Convert to fraction form
    11,287.20/16,933.72 = 6,611.16/x
  3. Step 3: Cross multiply
    11,287.20x = 16,933.72 × 6,611.16
  4. Step 4: Simplify right side
    11,287.20x = 111,951,532.32
  5. Step 5: Solve for x
    x = 111,951,532.32/11,287.20
  6. Step 6: Final answer
    x = 9,918.45

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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.