Home / 17,218.74-25,821.63-13,564.02

Finding the Fourth Proportional to 17,218.74, 25,821.63 and 13,564.02

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Solution

The fourth proportional to 17,218.74, 25,821.63 and 13,564.02 is: 20,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.74 : 25,821.63 = 13,564.02 : x
  2. Step 2: Convert to fraction form
    17,218.74/25,821.63 = 13,564.02/x
  3. Step 3: Cross multiply
    17,218.74x = 25,821.63 × 13,564.02
  4. Step 4: Simplify right side
    17,218.74x = 350,245,105.75
  5. Step 5: Solve for x
    x = 350,245,105.75/17,218.74
  6. Step 6: Final answer
    x = 20,340.93

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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.