Home / 14,036.58-21,044.34-8,488.79

Finding the Fourth Proportional to 14,036.58, 21,044.34 and 8,488.79

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Solution

The fourth proportional to 14,036.58, 21,044.34 and 8,488.79 is: 12,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.58 : 21,044.34 = 8,488.79 : x
  2. Step 2: Convert to fraction form
    14,036.58/21,044.34 = 8,488.79/x
  3. Step 3: Cross multiply
    14,036.58x = 21,044.34 × 8,488.79
  4. Step 4: Simplify right side
    14,036.58x = 178,640,982.95
  5. Step 5: Solve for x
    x = 178,640,982.95/14,036.58
  6. Step 6: Final answer
    x = 12,726.82

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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.