Home / 18,418.02-27,627.01-5,270.38

Finding the Fourth Proportional to 18,418.02, 27,627.01 and 5,270.38

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Solution

The fourth proportional to 18,418.02, 27,627.01 and 5,270.38 is: 7,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.02 : 27,627.01 = 5,270.38 : x
  2. Step 2: Convert to fraction form
    18,418.02/27,627.01 = 5,270.38/x
  3. Step 3: Cross multiply
    18,418.02x = 27,627.01 × 5,270.38
  4. Step 4: Simplify right side
    18,418.02x = 145,604,758.72
  5. Step 5: Solve for x
    x = 145,604,758.72/18,418.02
  6. Step 6: Final answer
    x = 7,905.56

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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.