Home / 12,899.25-19,348.88-4,134.41

Finding the Fourth Proportional to 12,899.25, 19,348.88 and 4,134.41

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Solution

The fourth proportional to 12,899.25, 19,348.88 and 4,134.41 is: 6,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.25 : 19,348.88 = 4,134.41 : x
  2. Step 2: Convert to fraction form
    12,899.25/19,348.88 = 4,134.41/x
  3. Step 3: Cross multiply
    12,899.25x = 19,348.88 × 4,134.41
  4. Step 4: Simplify right side
    12,899.25x = 79,996,158.10
  5. Step 5: Solve for x
    x = 79,996,158.10/12,899.25
  6. Step 6: Final answer
    x = 6,201.61

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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.