Home / 11,994.64-16,552.32-6,689.44

Finding the Fourth Proportional to 11,994.64, 16,552.32 and 6,689.44

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Solution

The fourth proportional to 11,994.64, 16,552.32 and 6,689.44 is: 9,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.64 : 16,552.32 = 6,689.44 : x
  2. Step 2: Convert to fraction form
    11,994.64/16,552.32 = 6,689.44/x
  3. Step 3: Cross multiply
    11,994.64x = 16,552.32 × 6,689.44
  4. Step 4: Simplify right side
    11,994.64x = 110,725,751.50
  5. Step 5: Solve for x
    x = 110,725,751.50/11,994.64
  6. Step 6: Final answer
    x = 9,231.27

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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.