Home / 18,887.36-28,331.04-5,036

Finding the Fourth Proportional to 18,887.36, 28,331.04 and 5,036

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Solution

The fourth proportional to 18,887.36, 28,331.04 and 5,036 is: 7,554

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.36 : 28,331.04 = 5,036 : x
  2. Step 2: Convert to fraction form
    18,887.36/28,331.04 = 5,036/x
  3. Step 3: Cross multiply
    18,887.36x = 28,331.04 × 5,036
  4. Step 4: Simplify right side
    18,887.36x = 142,675,117.44
  5. Step 5: Solve for x
    x = 142,675,117.44/18,887.36
  6. Step 6: Final answer
    x = 7,554

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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.