Home / 10,963.92-16,445.84-3,172.72

Finding the Fourth Proportional to 10,963.92, 16,445.84 and 3,172.72

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Solution

The fourth proportional to 10,963.92, 16,445.84 and 3,172.72 is: 4,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.92 : 16,445.84 = 3,172.72 : x
  2. Step 2: Convert to fraction form
    10,963.92/16,445.84 = 3,172.72/x
  3. Step 3: Cross multiply
    10,963.92x = 16,445.84 × 3,172.72
  4. Step 4: Simplify right side
    10,963.92x = 52,178,045.48
  5. Step 5: Solve for x
    x = 52,178,045.48/10,963.92
  6. Step 6: Final answer
    x = 4,759.07

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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.