Home / 19,551.17-26,979.93-11,588.66

Finding the Fourth Proportional to 19,551.17, 26,979.93 and 11,588.66

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Solution

The fourth proportional to 19,551.17, 26,979.93 and 11,588.66 is: 15,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.17 : 26,979.93 = 11,588.66 : x
  2. Step 2: Convert to fraction form
    19,551.17/26,979.93 = 11,588.66/x
  3. Step 3: Cross multiply
    19,551.17x = 26,979.93 × 11,588.66
  4. Step 4: Simplify right side
    19,551.17x = 312,661,100.69
  5. Step 5: Solve for x
    x = 312,661,100.69/19,551.17
  6. Step 6: Final answer
    x = 15,991.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.