Home / 19,717.07-29,576.27-6,389.69

Finding the Fourth Proportional to 19,717.07, 29,576.27 and 6,389.69

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Solution

The fourth proportional to 19,717.07, 29,576.27 and 6,389.69 is: 9,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.07 : 29,576.27 = 6,389.69 : x
  2. Step 2: Convert to fraction form
    19,717.07/29,576.27 = 6,389.69/x
  3. Step 3: Cross multiply
    19,717.07x = 29,576.27 × 6,389.69
  4. Step 4: Simplify right side
    19,717.07x = 188,983,196.66
  5. Step 5: Solve for x
    x = 188,983,196.66/19,717.07
  6. Step 6: Final answer
    x = 9,584.75

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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.