Home / 14,271.41-19,694.21-7,897.86

Finding the Fourth Proportional to 14,271.41, 19,694.21 and 7,897.86

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Solution

The fourth proportional to 14,271.41, 19,694.21 and 7,897.86 is: 10,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.41 : 19,694.21 = 7,897.86 : x
  2. Step 2: Convert to fraction form
    14,271.41/19,694.21 = 7,897.86/x
  3. Step 3: Cross multiply
    14,271.41x = 19,694.21 × 7,897.86
  4. Step 4: Simplify right side
    14,271.41x = 155,542,073.90
  5. Step 5: Solve for x
    x = 155,542,073.90/14,271.41
  6. Step 6: Final answer
    x = 10,898.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.