Home / 10,721.07-16,079.70-4,141.83

Finding the Fourth Proportional to 10,721.07, 16,079.70 and 4,141.83

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Solution

The fourth proportional to 10,721.07, 16,079.70 and 4,141.83 is: 6,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.07 : 16,079.70 = 4,141.83 : x
  2. Step 2: Convert to fraction form
    10,721.07/16,079.70 = 4,141.83/x
  3. Step 3: Cross multiply
    10,721.07x = 16,079.70 × 4,141.83
  4. Step 4: Simplify right side
    10,721.07x = 66,599,383.85
  5. Step 5: Solve for x
    x = 66,599,383.85/10,721.07
  6. Step 6: Final answer
    x = 6,212.01

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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.