Home / 18,144.30-27,216.61-4,997.40

Finding the Fourth Proportional to 18,144.30, 27,216.61 and 4,997.40

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Solution

The fourth proportional to 18,144.30, 27,216.61 and 4,997.40 is: 7,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.30 : 27,216.61 = 4,997.40 : x
  2. Step 2: Convert to fraction form
    18,144.30/27,216.61 = 4,997.40/x
  3. Step 3: Cross multiply
    18,144.30x = 27,216.61 × 4,997.40
  4. Step 4: Simplify right side
    18,144.30x = 136,012,172.26
  5. Step 5: Solve for x
    x = 136,012,172.26/18,144.30
  6. Step 6: Final answer
    x = 7,496.14

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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.