Home / 6,616.13-9,924.21-1,999.13

Finding the Fourth Proportional to 6,616.13, 9,924.21 and 1,999.13

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Solution

The fourth proportional to 6,616.13, 9,924.21 and 1,999.13 is: 2,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.13 : 9,924.21 = 1,999.13 : x
  2. Step 2: Convert to fraction form
    6,616.13/9,924.21 = 1,999.13/x
  3. Step 3: Cross multiply
    6,616.13x = 9,924.21 × 1,999.13
  4. Step 4: Simplify right side
    6,616.13x = 19,839,736.32
  5. Step 5: Solve for x
    x = 19,839,736.32/6,616.13
  6. Step 6: Final answer
    x = 2,998.69

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Double scale
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Similar ratio
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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.