Home / 13,742.26-20,599.52-5,417.69

Finding the Fourth Proportional to 13,742.26, 20,599.52 and 5,417.69

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Solution

The fourth proportional to 13,742.26, 20,599.52 and 5,417.69 is: 8,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.26 : 20,599.52 = 5,417.69 : x
  2. Step 2: Convert to fraction form
    13,742.26/20,599.52 = 5,417.69/x
  3. Step 3: Cross multiply
    13,742.26x = 20,599.52 × 5,417.69
  4. Step 4: Simplify right side
    13,742.26x = 111,601,683.42
  5. Step 5: Solve for x
    x = 111,601,683.42/13,742.26
  6. Step 6: Final answer
    x = 8,121.06

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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.