Home / 12,792.24-19,186.68-4,027.20

Finding the Fourth Proportional to 12,792.24, 19,186.68 and 4,027.20

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Solution

The fourth proportional to 12,792.24, 19,186.68 and 4,027.20 is: 6,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.24 : 19,186.68 = 4,027.20 : x
  2. Step 2: Convert to fraction form
    12,792.24/19,186.68 = 4,027.20/x
  3. Step 3: Cross multiply
    12,792.24x = 19,186.68 × 4,027.20
  4. Step 4: Simplify right side
    12,792.24x = 77,268,597.70
  5. Step 5: Solve for x
    x = 77,268,597.70/12,792.24
  6. Step 6: Final answer
    x = 6,040.27

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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.