Home / 12,668.71-19,003.45-4,348.61

Finding the Fourth Proportional to 12,668.71, 19,003.45 and 4,348.61

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Solution

The fourth proportional to 12,668.71, 19,003.45 and 4,348.61 is: 6,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.71 : 19,003.45 = 4,348.61 : x
  2. Step 2: Convert to fraction form
    12,668.71/19,003.45 = 4,348.61/x
  3. Step 3: Cross multiply
    12,668.71x = 19,003.45 × 4,348.61
  4. Step 4: Simplify right side
    12,668.71x = 82,638,592.70
  5. Step 5: Solve for x
    x = 82,638,592.70/12,668.71
  6. Step 6: Final answer
    x = 6,523.05

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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.