Home / 11,581.07-17,371.61-2,815.93

Finding the Fourth Proportional to 11,581.07, 17,371.61 and 2,815.93

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Solution

The fourth proportional to 11,581.07, 17,371.61 and 2,815.93 is: 4,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.07 : 17,371.61 = 2,815.93 : x
  2. Step 2: Convert to fraction form
    11,581.07/17,371.61 = 2,815.93/x
  3. Step 3: Cross multiply
    11,581.07x = 17,371.61 × 2,815.93
  4. Step 4: Simplify right side
    11,581.07x = 48,917,136.81
  5. Step 5: Solve for x
    x = 48,917,136.81/11,581.07
  6. Step 6: Final answer
    x = 4,223.89

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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.