Home / 11,717.24-17,588.00-7,848.68

Finding the Fourth Proportional to 11,717.24, 17,588.00 and 7,848.68

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Solution

The fourth proportional to 11,717.24, 17,588.00 and 7,848.68 is: 11,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.24 : 17,588.00 = 7,848.68 : x
  2. Step 2: Convert to fraction form
    11,717.24/17,588.00 = 7,848.68/x
  3. Step 3: Cross multiply
    11,717.24x = 17,588.00 × 7,848.68
  4. Step 4: Simplify right side
    11,717.24x = 138,042,515.52
  5. Step 5: Solve for x
    x = 138,042,515.52/11,717.24
  6. Step 6: Final answer
    x = 11,781.15

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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.