Home / 17,384.61-26,086.38-7,387.79

Finding the Fourth Proportional to 17,384.61, 26,086.38 and 7,387.79

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Solution

The fourth proportional to 17,384.61, 26,086.38 and 7,387.79 is: 11,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,384.61 : 26,086.38 = 7,387.79 : x
  2. Step 2: Convert to fraction form
    17,384.61/26,086.38 = 7,387.79/x
  3. Step 3: Cross multiply
    17,384.61x = 26,086.38 × 7,387.79
  4. Step 4: Simplify right side
    17,384.61x = 192,720,660.36
  5. Step 5: Solve for x
    x = 192,720,660.36/17,384.61
  6. Step 6: Final answer
    x = 11,085.71

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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.