Home / 18,089.47-27,144.87-6,997.06

Finding the Fourth Proportional to 18,089.47, 27,144.87 and 6,997.06

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Solution

The fourth proportional to 18,089.47, 27,144.87 and 6,997.06 is: 10,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.47 : 27,144.87 = 6,997.06 : x
  2. Step 2: Convert to fraction form
    18,089.47/27,144.87 = 6,997.06/x
  3. Step 3: Cross multiply
    18,089.47x = 27,144.87 × 6,997.06
  4. Step 4: Simplify right side
    18,089.47x = 189,934,284.08
  5. Step 5: Solve for x
    x = 189,934,284.08/18,089.47
  6. Step 6: Final answer
    x = 10,499.72

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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.