Home / 17,986.65-26,979.98-9,670.58

Finding the Fourth Proportional to 17,986.65, 26,979.98 and 9,670.58

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Solution

The fourth proportional to 17,986.65, 26,979.98 and 9,670.58 is: 14,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.65 : 26,979.98 = 9,670.58 : x
  2. Step 2: Convert to fraction form
    17,986.65/26,979.98 = 9,670.58/x
  3. Step 3: Cross multiply
    17,986.65x = 26,979.98 × 9,670.58
  4. Step 4: Simplify right side
    17,986.65x = 260,912,122.70
  5. Step 5: Solve for x
    x = 260,912,122.70/17,986.65
  6. Step 6: Final answer
    x = 14,505.88

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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.