Home / 18,984.03-28,478.77-5,837.51

Finding the Fourth Proportional to 18,984.03, 28,478.77 and 5,837.51

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Solution

The fourth proportional to 18,984.03, 28,478.77 and 5,837.51 is: 8,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.03 : 28,478.77 = 5,837.51 : x
  2. Step 2: Convert to fraction form
    18,984.03/28,478.77 = 5,837.51/x
  3. Step 3: Cross multiply
    18,984.03x = 28,478.77 × 5,837.51
  4. Step 4: Simplify right side
    18,984.03x = 166,245,104.66
  5. Step 5: Solve for x
    x = 166,245,104.66/18,984.03
  6. Step 6: Final answer
    x = 8,757.10

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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.