Home / 11,290.82-15,580.62-6,255.25

Finding the Fourth Proportional to 11,290.82, 15,580.62 and 6,255.25

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Solution

The fourth proportional to 11,290.82, 15,580.62 and 6,255.25 is: 8,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.82 : 15,580.62 = 6,255.25 : x
  2. Step 2: Convert to fraction form
    11,290.82/15,580.62 = 6,255.25/x
  3. Step 3: Cross multiply
    11,290.82x = 15,580.62 × 6,255.25
  4. Step 4: Simplify right side
    11,290.82x = 97,460,634.30
  5. Step 5: Solve for x
    x = 97,460,634.30/11,290.82
  6. Step 6: Final answer
    x = 8,631.85

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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.