Home / 11,234.08-15,499.92-7,255.36

Finding the Fourth Proportional to 11,234.08, 15,499.92 and 7,255.36

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Solution

The fourth proportional to 11,234.08, 15,499.92 and 7,255.36 is: 10,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.08 : 15,499.92 = 7,255.36 : x
  2. Step 2: Convert to fraction form
    11,234.08/15,499.92 = 7,255.36/x
  3. Step 3: Cross multiply
    11,234.08x = 15,499.92 × 7,255.36
  4. Step 4: Simplify right side
    11,234.08x = 112,457,499.57
  5. Step 5: Solve for x
    x = 112,457,499.57/11,234.08
  6. Step 6: Final answer
    x = 10,010.39

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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.