Home / 18,193.74-27,287.56-5,047.44

Finding the Fourth Proportional to 18,193.74, 27,287.56 and 5,047.44

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Solution

The fourth proportional to 18,193.74, 27,287.56 and 5,047.44 is: 7,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.74 : 27,287.56 = 5,047.44 : x
  2. Step 2: Convert to fraction form
    18,193.74/27,287.56 = 5,047.44/x
  3. Step 3: Cross multiply
    18,193.74x = 27,287.56 × 5,047.44
  4. Step 4: Simplify right side
    18,193.74x = 137,732,321.85
  5. Step 5: Solve for x
    x = 137,732,321.85/18,193.74
  6. Step 6: Final answer
    x = 7,570.31

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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.