Home / 11,390.68-17,086.06-5,542.28

Finding the Fourth Proportional to 11,390.68, 17,086.06 and 5,542.28

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Solution

The fourth proportional to 11,390.68, 17,086.06 and 5,542.28 is: 8,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.68 : 17,086.06 = 5,542.28 : x
  2. Step 2: Convert to fraction form
    11,390.68/17,086.06 = 5,542.28/x
  3. Step 3: Cross multiply
    11,390.68x = 17,086.06 × 5,542.28
  4. Step 4: Simplify right side
    11,390.68x = 94,695,728.62
  5. Step 5: Solve for x
    x = 94,695,728.62/11,390.68
  6. Step 6: Final answer
    x = 8,313.44

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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.