Home / 11,189.36-16,789.93-4,953.69

Finding the Fourth Proportional to 11,189.36, 16,789.93 and 4,953.69

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Solution

The fourth proportional to 11,189.36, 16,789.93 and 4,953.69 is: 7,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.36 : 16,789.93 = 4,953.69 : x
  2. Step 2: Convert to fraction form
    11,189.36/16,789.93 = 4,953.69/x
  3. Step 3: Cross multiply
    11,189.36x = 16,789.93 × 4,953.69
  4. Step 4: Simplify right side
    11,189.36x = 83,172,095.96
  5. Step 5: Solve for x
    x = 83,172,095.96/11,189.36
  6. Step 6: Final answer
    x = 7,433.14

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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.