Home / 18,016.02-27,002.07-8,145.36

Finding the Fourth Proportional to 18,016.02, 27,002.07 and 8,145.36

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Solution

The fourth proportional to 18,016.02, 27,002.07 and 8,145.36 is: 12,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.02 : 27,002.07 = 8,145.36 : x
  2. Step 2: Convert to fraction form
    18,016.02/27,002.07 = 8,145.36/x
  3. Step 3: Cross multiply
    18,016.02x = 27,002.07 × 8,145.36
  4. Step 4: Simplify right side
    18,016.02x = 219,941,580.90
  5. Step 5: Solve for x
    x = 219,941,580.90/18,016.02
  6. Step 6: Final answer
    x = 12,208.11

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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.