Home / 11,019.09-16,521.29-3,998.19

Finding the Fourth Proportional to 11,019.09, 16,521.29 and 3,998.19

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Solution

The fourth proportional to 11,019.09, 16,521.29 and 3,998.19 is: 5,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.09 : 16,521.29 = 3,998.19 : x
  2. Step 2: Convert to fraction form
    11,019.09/16,521.29 = 3,998.19/x
  3. Step 3: Cross multiply
    11,019.09x = 16,521.29 × 3,998.19
  4. Step 4: Simplify right side
    11,019.09x = 66,055,205.17
  5. Step 5: Solve for x
    x = 66,055,205.17/11,019.09
  6. Step 6: Final answer
    x = 5,994.62

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Half scale
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Double scale
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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.