Home / 11,994.41-16,551.95-6,689.12

Finding the Fourth Proportional to 11,994.41, 16,551.95 and 6,689.12

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Solution

The fourth proportional to 11,994.41, 16,551.95 and 6,689.12 is: 9,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.41 : 16,551.95 = 6,689.12 : x
  2. Step 2: Convert to fraction form
    11,994.41/16,551.95 = 6,689.12/x
  3. Step 3: Cross multiply
    11,994.41x = 16,551.95 × 6,689.12
  4. Step 4: Simplify right side
    11,994.41x = 110,717,863.58
  5. Step 5: Solve for x
    x = 110,717,863.58/11,994.41
  6. Step 6: Final answer
    x = 9,230.79

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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.