Home / 18,089.02-27,101.13-6,394.78

Finding the Fourth Proportional to 18,089.02, 27,101.13 and 6,394.78

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Solution

The fourth proportional to 18,089.02, 27,101.13 and 6,394.78 is: 9,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.02 : 27,101.13 = 6,394.78 : x
  2. Step 2: Convert to fraction form
    18,089.02/27,101.13 = 6,394.78/x
  3. Step 3: Cross multiply
    18,089.02x = 27,101.13 × 6,394.78
  4. Step 4: Simplify right side
    18,089.02x = 173,305,764.10
  5. Step 5: Solve for x
    x = 173,305,764.10/18,089.02
  6. Step 6: Final answer
    x = 9,580.72

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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.