Home / 19,563.07-26,988.24-13,187.61

Finding the Fourth Proportional to 19,563.07, 26,988.24 and 13,187.61

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Solution

The fourth proportional to 19,563.07, 26,988.24 and 13,187.61 is: 18,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.07 : 26,988.24 = 13,187.61 : x
  2. Step 2: Convert to fraction form
    19,563.07/26,988.24 = 13,187.61/x
  3. Step 3: Cross multiply
    19,563.07x = 26,988.24 × 13,187.61
  4. Step 4: Simplify right side
    19,563.07x = 355,910,358.98
  5. Step 5: Solve for x
    x = 355,910,358.98/19,563.07
  6. Step 6: Final answer
    x = 18,192.97

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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.