Home / 10,668.38-16,002.57-3,742.88

Finding the Fourth Proportional to 10,668.38, 16,002.57 and 3,742.88

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Solution

The fourth proportional to 10,668.38, 16,002.57 and 3,742.88 is: 5,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.38 : 16,002.57 = 3,742.88 : x
  2. Step 2: Convert to fraction form
    10,668.38/16,002.57 = 3,742.88/x
  3. Step 3: Cross multiply
    10,668.38x = 16,002.57 × 3,742.88
  4. Step 4: Simplify right side
    10,668.38x = 59,895,619.19
  5. Step 5: Solve for x
    x = 59,895,619.19/10,668.38
  6. Step 6: Final answer
    x = 5,614.32

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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.