Home / 11,448.45-17,174.70-4,057.20

Finding the Fourth Proportional to 11,448.45, 17,174.70 and 4,057.20

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Solution

The fourth proportional to 11,448.45, 17,174.70 and 4,057.20 is: 6,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.45 : 17,174.70 = 4,057.20 : x
  2. Step 2: Convert to fraction form
    11,448.45/17,174.70 = 4,057.20/x
  3. Step 3: Cross multiply
    11,448.45x = 17,174.70 × 4,057.20
  4. Step 4: Simplify right side
    11,448.45x = 69,681,192.84
  5. Step 5: Solve for x
    x = 69,681,192.84/11,448.45
  6. Step 6: Final answer
    x = 6,086.52

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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.