Home / 13,410.26-20,116.38-3,549.47

Finding the Fourth Proportional to 13,410.26, 20,116.38 and 3,549.47

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Solution

The fourth proportional to 13,410.26, 20,116.38 and 3,549.47 is: 5,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.26 : 20,116.38 = 3,549.47 : x
  2. Step 2: Convert to fraction form
    13,410.26/20,116.38 = 3,549.47/x
  3. Step 3: Cross multiply
    13,410.26x = 20,116.38 × 3,549.47
  4. Step 4: Simplify right side
    13,410.26x = 71,402,386.74
  5. Step 5: Solve for x
    x = 71,402,386.74/13,410.26
  6. Step 6: Final answer
    x = 5,324.46

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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.