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Finding the Fourth Proportional to 10,994.92, 16,492.56 and 3,975.46

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Solution

The fourth proportional to 10,994.92, 16,492.56 and 3,975.46 is: 5,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.92 : 16,492.56 = 3,975.46 : x
  2. Step 2: Convert to fraction form
    10,994.92/16,492.56 = 3,975.46/x
  3. Step 3: Cross multiply
    10,994.92x = 16,492.56 × 3,975.46
  4. Step 4: Simplify right side
    10,994.92x = 65,565,512.58
  5. Step 5: Solve for x
    x = 65,565,512.58/10,994.92
  6. Step 6: Final answer
    x = 5,963.26

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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.