Home / 11,245.06-15,518.21-6,209.43

Finding the Fourth Proportional to 11,245.06, 15,518.21 and 6,209.43

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Solution

The fourth proportional to 11,245.06, 15,518.21 and 6,209.43 is: 8,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.06 : 15,518.21 = 6,209.43 : x
  2. Step 2: Convert to fraction form
    11,245.06/15,518.21 = 6,209.43/x
  3. Step 3: Cross multiply
    11,245.06x = 15,518.21 × 6,209.43
  4. Step 4: Simplify right side
    11,245.06x = 96,359,238.72
  5. Step 5: Solve for x
    x = 96,359,238.72/11,245.06
  6. Step 6: Final answer
    x = 8,569.03

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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.