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Finding the Fourth Proportional to 14,679.93, 22,019.13 and 4,817.91

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Solution

The fourth proportional to 14,679.93, 22,019.13 and 4,817.91 is: 7,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.93 : 22,019.13 = 4,817.91 : x
  2. Step 2: Convert to fraction form
    14,679.93/22,019.13 = 4,817.91/x
  3. Step 3: Cross multiply
    14,679.93x = 22,019.13 × 4,817.91
  4. Step 4: Simplify right side
    14,679.93x = 106,086,186.62
  5. Step 5: Solve for x
    x = 106,086,186.62/14,679.93
  6. Step 6: Final answer
    x = 7,226.61

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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.