Home / 11,339.40-17,009.64-5,786.04

Finding the Fourth Proportional to 11,339.40, 17,009.64 and 5,786.04

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Solution

The fourth proportional to 11,339.40, 17,009.64 and 5,786.04 is: 8,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.40 : 17,009.64 = 5,786.04 : x
  2. Step 2: Convert to fraction form
    11,339.40/17,009.64 = 5,786.04/x
  3. Step 3: Cross multiply
    11,339.40x = 17,009.64 × 5,786.04
  4. Step 4: Simplify right side
    11,339.40x = 98,418,457.43
  5. Step 5: Solve for x
    x = 98,418,457.43/11,339.40
  6. Step 6: Final answer
    x = 8,679.34

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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.