Home / 11,708.48-17,565.12-3,917.36

Finding the Fourth Proportional to 11,708.48, 17,565.12 and 3,917.36

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Solution

The fourth proportional to 11,708.48, 17,565.12 and 3,917.36 is: 5,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.48 : 17,565.12 = 3,917.36 : x
  2. Step 2: Convert to fraction form
    11,708.48/17,565.12 = 3,917.36/x
  3. Step 3: Cross multiply
    11,708.48x = 17,565.12 × 3,917.36
  4. Step 4: Simplify right side
    11,708.48x = 68,808,898.48
  5. Step 5: Solve for x
    x = 68,808,898.48/11,708.48
  6. Step 6: Final answer
    x = 5,876.84

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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.