Home / 18,621.90-27,933.15-4,581.97

Finding the Fourth Proportional to 18,621.90, 27,933.15 and 4,581.97

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Solution

The fourth proportional to 18,621.90, 27,933.15 and 4,581.97 is: 6,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.90 : 27,933.15 = 4,581.97 : x
  2. Step 2: Convert to fraction form
    18,621.90/27,933.15 = 4,581.97/x
  3. Step 3: Cross multiply
    18,621.90x = 27,933.15 × 4,581.97
  4. Step 4: Simplify right side
    18,621.90x = 127,988,802.66
  5. Step 5: Solve for x
    x = 127,988,802.66/18,621.90
  6. Step 6: Final answer
    x = 6,873.03

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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.