Home / 11,994.07-16,551.89-6,689.23

Finding the Fourth Proportional to 11,994.07, 16,551.89 and 6,689.23

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Solution

The fourth proportional to 11,994.07, 16,551.89 and 6,689.23 is: 9,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.07 : 16,551.89 = 6,689.23 : x
  2. Step 2: Convert to fraction form
    11,994.07/16,551.89 = 6,689.23/x
  3. Step 3: Cross multiply
    11,994.07x = 16,551.89 × 6,689.23
  4. Step 4: Simplify right side
    11,994.07x = 110,719,399.14
  5. Step 5: Solve for x
    x = 110,719,399.14/11,994.07
  6. Step 6: Final answer
    x = 9,231.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.