Home / 11,287.28-16,931.90-2,967.23

Finding the Fourth Proportional to 11,287.28, 16,931.90 and 2,967.23

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Solution

The fourth proportional to 11,287.28, 16,931.90 and 2,967.23 is: 4,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.28 : 16,931.90 = 2,967.23 : x
  2. Step 2: Convert to fraction form
    11,287.28/16,931.90 = 2,967.23/x
  3. Step 3: Cross multiply
    11,287.28x = 16,931.90 × 2,967.23
  4. Step 4: Simplify right side
    11,287.28x = 50,240,891.38
  5. Step 5: Solve for x
    x = 50,240,891.38/11,287.28
  6. Step 6: Final answer
    x = 4,451.11

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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.