Home / 11,904.51-17,854.51-5,979.81

Finding the Fourth Proportional to 11,904.51, 17,854.51 and 5,979.81

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Solution

The fourth proportional to 11,904.51, 17,854.51 and 5,979.81 is: 8,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.51 : 17,854.51 = 5,979.81 : x
  2. Step 2: Convert to fraction form
    11,904.51/17,854.51 = 5,979.81/x
  3. Step 3: Cross multiply
    11,904.51x = 17,854.51 × 5,979.81
  4. Step 4: Simplify right side
    11,904.51x = 106,766,577.44
  5. Step 5: Solve for x
    x = 106,766,577.44/11,904.51
  6. Step 6: Final answer
    x = 8,968.58

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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.