Home / 11,427.36-17,148.33-7,636.56

Finding the Fourth Proportional to 11,427.36, 17,148.33 and 7,636.56

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Solution

The fourth proportional to 11,427.36, 17,148.33 and 7,636.56 is: 11,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.36 : 17,148.33 = 7,636.56 : x
  2. Step 2: Convert to fraction form
    11,427.36/17,148.33 = 7,636.56/x
  3. Step 3: Cross multiply
    11,427.36x = 17,148.33 × 7,636.56
  4. Step 4: Simplify right side
    11,427.36x = 130,954,250.94
  5. Step 5: Solve for x
    x = 130,954,250.94/11,427.36
  6. Step 6: Final answer
    x = 11,459.71

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1.5x scale

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.