Home / 10,726.70-16,092.47-3,801.20

Finding the Fourth Proportional to 10,726.70, 16,092.47 and 3,801.20

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Solution

The fourth proportional to 10,726.70, 16,092.47 and 3,801.20 is: 5,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.70 : 16,092.47 = 3,801.20 : x
  2. Step 2: Convert to fraction form
    10,726.70/16,092.47 = 3,801.20/x
  3. Step 3: Cross multiply
    10,726.70x = 16,092.47 × 3,801.20
  4. Step 4: Simplify right side
    10,726.70x = 61,170,597.50
  5. Step 5: Solve for x
    x = 61,170,597.50/10,726.70
  6. Step 6: Final answer
    x = 5,702.65

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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.