Home / 11,025.98-15,215.64-6,245.85

Finding the Fourth Proportional to 11,025.98, 15,215.64 and 6,245.85

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Solution

The fourth proportional to 11,025.98, 15,215.64 and 6,245.85 is: 8,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.98 : 15,215.64 = 6,245.85 : x
  2. Step 2: Convert to fraction form
    11,025.98/15,215.64 = 6,245.85/x
  3. Step 3: Cross multiply
    11,025.98x = 15,215.64 × 6,245.85
  4. Step 4: Simplify right side
    11,025.98x = 95,034,605.09
  5. Step 5: Solve for x
    x = 95,034,605.09/11,025.98
  6. Step 6: Final answer
    x = 8,619.16

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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.