Home / 11,144.64-16,715.68-2,937.28

Finding the Fourth Proportional to 11,144.64, 16,715.68 and 2,937.28

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Solution

The fourth proportional to 11,144.64, 16,715.68 and 2,937.28 is: 4,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.64 : 16,715.68 = 2,937.28 : x
  2. Step 2: Convert to fraction form
    11,144.64/16,715.68 = 2,937.28/x
  3. Step 3: Cross multiply
    11,144.64x = 16,715.68 × 2,937.28
  4. Step 4: Simplify right side
    11,144.64x = 49,098,632.55
  5. Step 5: Solve for x
    x = 49,098,632.55/11,144.64
  6. Step 6: Final answer
    x = 4,405.58

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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.