Home / 13,028.64-19,499.04-8,081.28

Finding the Fourth Proportional to 13,028.64, 19,499.04 and 8,081.28

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Solution

The fourth proportional to 13,028.64, 19,499.04 and 8,081.28 is: 12,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.64 : 19,499.04 = 8,081.28 : x
  2. Step 2: Convert to fraction form
    13,028.64/19,499.04 = 8,081.28/x
  3. Step 3: Cross multiply
    13,028.64x = 19,499.04 × 8,081.28
  4. Step 4: Simplify right side
    13,028.64x = 157,577,201.97
  5. Step 5: Solve for x
    x = 157,577,201.97/13,028.64
  6. Step 6: Final answer
    x = 12,094.68

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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.