Home / 17,986.13-26,986.99-9,656.43

Finding the Fourth Proportional to 17,986.13, 26,986.99 and 9,656.43

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Solution

The fourth proportional to 17,986.13, 26,986.99 and 9,656.43 is: 14,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.13 : 26,986.99 = 9,656.43 : x
  2. Step 2: Convert to fraction form
    17,986.13/26,986.99 = 9,656.43/x
  3. Step 3: Cross multiply
    17,986.13x = 26,986.99 × 9,656.43
  4. Step 4: Simplify right side
    17,986.13x = 260,597,955.70
  5. Step 5: Solve for x
    x = 260,597,955.70/17,986.13
  6. Step 6: Final answer
    x = 14,488.83

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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.