Home / 11,424.48-17,144.28-4,028.76

Finding the Fourth Proportional to 11,424.48, 17,144.28 and 4,028.76

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Solution

The fourth proportional to 11,424.48, 17,144.28 and 4,028.76 is: 6,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.48 : 17,144.28 = 4,028.76 : x
  2. Step 2: Convert to fraction form
    11,424.48/17,144.28 = 4,028.76/x
  3. Step 3: Cross multiply
    11,424.48x = 17,144.28 × 4,028.76
  4. Step 4: Simplify right side
    11,424.48x = 69,070,189.49
  5. Step 5: Solve for x
    x = 69,070,189.49/11,424.48
  6. Step 6: Final answer
    x = 6,045.81

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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.