Home / 21,076.61-31,614.92-6,295.91

Finding the Fourth Proportional to 21,076.61, 31,614.92 and 6,295.91

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Solution

The fourth proportional to 21,076.61, 31,614.92 and 6,295.91 is: 9,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076.61 : 31,614.92 = 6,295.91 : x
  2. Step 2: Convert to fraction form
    21,076.61/31,614.92 = 6,295.91/x
  3. Step 3: Cross multiply
    21,076.61x = 31,614.92 × 6,295.91
  4. Step 4: Simplify right side
    21,076.61x = 199,044,690.98
  5. Step 5: Solve for x
    x = 199,044,690.98/21,076.61
  6. Step 6: Final answer
    x = 9,443.87

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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.