Home / 13,871.12-20,809.44-4,010.51

Finding the Fourth Proportional to 13,871.12, 20,809.44 and 4,010.51

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Solution

The fourth proportional to 13,871.12, 20,809.44 and 4,010.51 is: 6,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.12 : 20,809.44 = 4,010.51 : x
  2. Step 2: Convert to fraction form
    13,871.12/20,809.44 = 4,010.51/x
  3. Step 3: Cross multiply
    13,871.12x = 20,809.44 × 4,010.51
  4. Step 4: Simplify right side
    13,871.12x = 83,456,519.24
  5. Step 5: Solve for x
    x = 83,456,519.24/13,871.12
  6. Step 6: Final answer
    x = 6,016.57

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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.