Home / 11,077.22-15,285.97-6,361.50

Finding the Fourth Proportional to 11,077.22, 15,285.97 and 6,361.50

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Solution

The fourth proportional to 11,077.22, 15,285.97 and 6,361.50 is: 8,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.22 : 15,285.97 = 6,361.50 : x
  2. Step 2: Convert to fraction form
    11,077.22/15,285.97 = 6,361.50/x
  3. Step 3: Cross multiply
    11,077.22x = 15,285.97 × 6,361.50
  4. Step 4: Simplify right side
    11,077.22x = 97,241,727.65
  5. Step 5: Solve for x
    x = 97,241,727.65/11,077.22
  6. Step 6: Final answer
    x = 8,778.53

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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.