Home / 11,076.50-15,285.57-6,361.09

Finding the Fourth Proportional to 11,076.50, 15,285.57 and 6,361.09

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Solution

The fourth proportional to 11,076.50, 15,285.57 and 6,361.09 is: 8,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.50 : 15,285.57 = 6,361.09 : x
  2. Step 2: Convert to fraction form
    11,076.50/15,285.57 = 6,361.09/x
  3. Step 3: Cross multiply
    11,076.50x = 15,285.57 × 6,361.09
  4. Step 4: Simplify right side
    11,076.50x = 97,232,886.47
  5. Step 5: Solve for x
    x = 97,232,886.47/11,076.50
  6. Step 6: Final answer
    x = 8,778.30

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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.