Home / 11,271.62-16,896.45-4,699.69

Finding the Fourth Proportional to 11,271.62, 16,896.45 and 4,699.69

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Solution

The fourth proportional to 11,271.62, 16,896.45 and 4,699.69 is: 7,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.62 : 16,896.45 = 4,699.69 : x
  2. Step 2: Convert to fraction form
    11,271.62/16,896.45 = 4,699.69/x
  3. Step 3: Cross multiply
    11,271.62x = 16,896.45 × 4,699.69
  4. Step 4: Simplify right side
    11,271.62x = 79,408,077.10
  5. Step 5: Solve for x
    x = 79,408,077.10/11,271.62
  6. Step 6: Final answer
    x = 7,044.96

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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.