Home / 11,333.28-15,579.44-10,125.60

Finding the Fourth Proportional to 11,333.28, 15,579.44 and 10,125.60

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Solution

The fourth proportional to 11,333.28, 15,579.44 and 10,125.60 is: 13,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.28 : 15,579.44 = 10,125.60 : x
  2. Step 2: Convert to fraction form
    11,333.28/15,579.44 = 10,125.60/x
  3. Step 3: Cross multiply
    11,333.28x = 15,579.44 × 10,125.60
  4. Step 4: Simplify right side
    11,333.28x = 157,751,177.66
  5. Step 5: Solve for x
    x = 157,751,177.66/11,333.28
  6. Step 6: Final answer
    x = 13,919.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.