Home / 10,962.64-16,446.66-3,172.24

Finding the Fourth Proportional to 10,962.64, 16,446.66 and 3,172.24

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Solution

The fourth proportional to 10,962.64, 16,446.66 and 3,172.24 is: 4,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.64 : 16,446.66 = 3,172.24 : x
  2. Step 2: Convert to fraction form
    10,962.64/16,446.66 = 3,172.24/x
  3. Step 3: Cross multiply
    10,962.64x = 16,446.66 × 3,172.24
  4. Step 4: Simplify right side
    10,962.64x = 52,172,711.60
  5. Step 5: Solve for x
    x = 52,172,711.60/10,962.64
  6. Step 6: Final answer
    x = 4,759.14

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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.