Home / 11,354.05-15,668.79-6,318.48

Finding the Fourth Proportional to 11,354.05, 15,668.79 and 6,318.48

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Solution

The fourth proportional to 11,354.05, 15,668.79 and 6,318.48 is: 8,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.05 : 15,668.79 = 6,318.48 : x
  2. Step 2: Convert to fraction form
    11,354.05/15,668.79 = 6,318.48/x
  3. Step 3: Cross multiply
    11,354.05x = 15,668.79 × 6,318.48
  4. Step 4: Simplify right side
    11,354.05x = 99,002,936.24
  5. Step 5: Solve for x
    x = 99,002,936.24/11,354.05
  6. Step 6: Final answer
    x = 8,719.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.