Home / 11,010.66-15,207.34-7,250.64

Finding the Fourth Proportional to 11,010.66, 15,207.34 and 7,250.64

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Solution

The fourth proportional to 11,010.66, 15,207.34 and 7,250.64 is: 10,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.66 : 15,207.34 = 7,250.64 : x
  2. Step 2: Convert to fraction form
    11,010.66/15,207.34 = 7,250.64/x
  3. Step 3: Cross multiply
    11,010.66x = 15,207.34 × 7,250.64
  4. Step 4: Simplify right side
    11,010.66x = 110,262,911.44
  5. Step 5: Solve for x
    x = 110,262,911.44/11,010.66
  6. Step 6: Final answer
    x = 10,014.20

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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.