Home / 14,997.78-22,497.30-5,143.83

Finding the Fourth Proportional to 14,997.78, 22,497.30 and 5,143.83

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Solution

The fourth proportional to 14,997.78, 22,497.30 and 5,143.83 is: 7,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.78 : 22,497.30 = 5,143.83 : x
  2. Step 2: Convert to fraction form
    14,997.78/22,497.30 = 5,143.83/x
  3. Step 3: Cross multiply
    14,997.78x = 22,497.30 × 5,143.83
  4. Step 4: Simplify right side
    14,997.78x = 115,722,286.66
  5. Step 5: Solve for x
    x = 115,722,286.66/14,997.78
  6. Step 6: Final answer
    x = 7,715.96

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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.