Home / 12,728.26-19,094.52-5,333.28

Finding the Fourth Proportional to 12,728.26, 19,094.52 and 5,333.28

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Solution

The fourth proportional to 12,728.26, 19,094.52 and 5,333.28 is: 8,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728.26 : 19,094.52 = 5,333.28 : x
  2. Step 2: Convert to fraction form
    12,728.26/19,094.52 = 5,333.28/x
  3. Step 3: Cross multiply
    12,728.26x = 19,094.52 × 5,333.28
  4. Step 4: Simplify right side
    12,728.26x = 101,836,443.08
  5. Step 5: Solve for x
    x = 101,836,443.08/12,728.26
  6. Step 6: Final answer
    x = 8,000.81

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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.