Home / 11,735.20-16,196.70-7,487.56

Finding the Fourth Proportional to 11,735.20, 16,196.70 and 7,487.56

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Solution

The fourth proportional to 11,735.20, 16,196.70 and 7,487.56 is: 10,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.20 : 16,196.70 = 7,487.56 : x
  2. Step 2: Convert to fraction form
    11,735.20/16,196.70 = 7,487.56/x
  3. Step 3: Cross multiply
    11,735.20x = 16,196.70 × 7,487.56
  4. Step 4: Simplify right side
    11,735.20x = 121,273,763.05
  5. Step 5: Solve for x
    x = 121,273,763.05/11,735.20
  6. Step 6: Final answer
    x = 10,334.19

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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.