Home / 11,721.11-17,581.20-4,699.01

Finding the Fourth Proportional to 11,721.11, 17,581.20 and 4,699.01

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Solution

The fourth proportional to 11,721.11, 17,581.20 and 4,699.01 is: 7,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.11 : 17,581.20 = 4,699.01 : x
  2. Step 2: Convert to fraction form
    11,721.11/17,581.20 = 4,699.01/x
  3. Step 3: Cross multiply
    11,721.11x = 17,581.20 × 4,699.01
  4. Step 4: Simplify right side
    11,721.11x = 82,614,287.38
  5. Step 5: Solve for x
    x = 82,614,287.38/11,721.11
  6. Step 6: Final answer
    x = 7,048.34

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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.