Home / 13,161.82-19,743-4,396.81

Finding the Fourth Proportional to 13,161.82, 19,743 and 4,396.81

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Solution

The fourth proportional to 13,161.82, 19,743 and 4,396.81 is: 6,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.82 : 19,743 = 4,396.81 : x
  2. Step 2: Convert to fraction form
    13,161.82/19,743 = 4,396.81/x
  3. Step 3: Cross multiply
    13,161.82x = 19,743 × 4,396.81
  4. Step 4: Simplify right side
    13,161.82x = 86,806,219.83
  5. Step 5: Solve for x
    x = 86,806,219.83/13,161.82
  6. Step 6: Final answer
    x = 6,595.31

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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.