Home / 10,013.26-13,817.68-5,536.75

Finding the Fourth Proportional to 10,013.26, 13,817.68 and 5,536.75

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Solution

The fourth proportional to 10,013.26, 13,817.68 and 5,536.75 is: 7,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.26 : 13,817.68 = 5,536.75 : x
  2. Step 2: Convert to fraction form
    10,013.26/13,817.68 = 5,536.75/x
  3. Step 3: Cross multiply
    10,013.26x = 13,817.68 × 5,536.75
  4. Step 4: Simplify right side
    10,013.26x = 76,505,039.74
  5. Step 5: Solve for x
    x = 76,505,039.74/10,013.26
  6. Step 6: Final answer
    x = 7,640.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.