Home / 17,786.39-26,679.59-4,638.72

Finding the Fourth Proportional to 17,786.39, 26,679.59 and 4,638.72

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Solution

The fourth proportional to 17,786.39, 26,679.59 and 4,638.72 is: 6,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.39 : 26,679.59 = 4,638.72 : x
  2. Step 2: Convert to fraction form
    17,786.39/26,679.59 = 4,638.72/x
  3. Step 3: Cross multiply
    17,786.39x = 26,679.59 × 4,638.72
  4. Step 4: Simplify right side
    17,786.39x = 123,759,124.53
  5. Step 5: Solve for x
    x = 123,759,124.53/17,786.39
  6. Step 6: Final answer
    x = 6,958.08

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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.