Home / 13,836.40-20,742.26-5,069.26

Finding the Fourth Proportional to 13,836.40, 20,742.26 and 5,069.26

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Solution

The fourth proportional to 13,836.40, 20,742.26 and 5,069.26 is: 7,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.40 : 20,742.26 = 5,069.26 : x
  2. Step 2: Convert to fraction form
    13,836.40/20,742.26 = 5,069.26/x
  3. Step 3: Cross multiply
    13,836.40x = 20,742.26 × 5,069.26
  4. Step 4: Simplify right side
    13,836.40x = 105,147,908.93
  5. Step 5: Solve for x
    x = 105,147,908.93/13,836.40
  6. Step 6: Final answer
    x = 7,599.37

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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.