Home / 9,269.02-12,787.23-6,286.60

Finding the Fourth Proportional to 9,269.02, 12,787.23 and 6,286.60

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Solution

The fourth proportional to 9,269.02, 12,787.23 and 6,286.60 is: 8,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.02 : 12,787.23 = 6,286.60 : x
  2. Step 2: Convert to fraction form
    9,269.02/12,787.23 = 6,286.60/x
  3. Step 3: Cross multiply
    9,269.02x = 12,787.23 × 6,286.60
  4. Step 4: Simplify right side
    9,269.02x = 80,388,200.12
  5. Step 5: Solve for x
    x = 80,388,200.12/9,269.02
  6. Step 6: Final answer
    x = 8,672.78

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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.