Home / 11,255.87-15,534.03-6,221.08

Finding the Fourth Proportional to 11,255.87, 15,534.03 and 6,221.08

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Solution

The fourth proportional to 11,255.87, 15,534.03 and 6,221.08 is: 8,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.87 : 15,534.03 = 6,221.08 : x
  2. Step 2: Convert to fraction form
    11,255.87/15,534.03 = 6,221.08/x
  3. Step 3: Cross multiply
    11,255.87x = 15,534.03 × 6,221.08
  4. Step 4: Simplify right side
    11,255.87x = 96,638,486.10
  5. Step 5: Solve for x
    x = 96,638,486.10/11,255.87
  6. Step 6: Final answer
    x = 8,585.61

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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.