Home / 18,448.20-27,669.33-5,297.58

Finding the Fourth Proportional to 18,448.20, 27,669.33 and 5,297.58

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Solution

The fourth proportional to 18,448.20, 27,669.33 and 5,297.58 is: 7,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.20 : 27,669.33 = 5,297.58 : x
  2. Step 2: Convert to fraction form
    18,448.20/27,669.33 = 5,297.58/x
  3. Step 3: Cross multiply
    18,448.20x = 27,669.33 × 5,297.58
  4. Step 4: Simplify right side
    18,448.20x = 146,580,489.22
  5. Step 5: Solve for x
    x = 146,580,489.22/18,448.20
  6. Step 6: Final answer
    x = 7,945.52

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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.