Home / 11,542.78-17,318.29-3,751.62

Finding the Fourth Proportional to 11,542.78, 17,318.29 and 3,751.62

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Solution

The fourth proportional to 11,542.78, 17,318.29 and 3,751.62 is: 5,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.78 : 17,318.29 = 3,751.62 : x
  2. Step 2: Convert to fraction form
    11,542.78/17,318.29 = 3,751.62/x
  3. Step 3: Cross multiply
    11,542.78x = 17,318.29 × 3,751.62
  4. Step 4: Simplify right side
    11,542.78x = 64,971,643.13
  5. Step 5: Solve for x
    x = 64,971,643.13/11,542.78
  6. Step 6: Final answer
    x = 5,628.77

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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.