Home / 11,224.60-16,787.46-8,272.60

Finding the Fourth Proportional to 11,224.60, 16,787.46 and 8,272.60

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Solution

The fourth proportional to 11,224.60, 16,787.46 and 8,272.60 is: 12,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.60 : 16,787.46 = 8,272.60 : x
  2. Step 2: Convert to fraction form
    11,224.60/16,787.46 = 8,272.60/x
  3. Step 3: Cross multiply
    11,224.60x = 16,787.46 × 8,272.60
  4. Step 4: Simplify right side
    11,224.60x = 138,875,941.60
  5. Step 5: Solve for x
    x = 138,875,941.60/11,224.60
  6. Step 6: Final answer
    x = 12,372.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.