Home / 11,226.79-15,489.21-7,250.59

Finding the Fourth Proportional to 11,226.79, 15,489.21 and 7,250.59

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Solution

The fourth proportional to 11,226.79, 15,489.21 and 7,250.59 is: 10,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.79 : 15,489.21 = 7,250.59 : x
  2. Step 2: Convert to fraction form
    11,226.79/15,489.21 = 7,250.59/x
  3. Step 3: Cross multiply
    11,226.79x = 15,489.21 × 7,250.59
  4. Step 4: Simplify right side
    11,226.79x = 112,305,911.13
  5. Step 5: Solve for x
    x = 112,305,911.13/11,226.79
  6. Step 6: Final answer
    x = 10,003.39

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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.