Home / 11,403.42-15,736.69-6,367.60

Finding the Fourth Proportional to 11,403.42, 15,736.69 and 6,367.60

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Solution

The fourth proportional to 11,403.42, 15,736.69 and 6,367.60 is: 8,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.42 : 15,736.69 = 6,367.60 : x
  2. Step 2: Convert to fraction form
    11,403.42/15,736.69 = 6,367.60/x
  3. Step 3: Cross multiply
    11,403.42x = 15,736.69 × 6,367.60
  4. Step 4: Simplify right side
    11,403.42x = 100,204,947.24
  5. Step 5: Solve for x
    x = 100,204,947.24/11,403.42
  6. Step 6: Final answer
    x = 8,787.27

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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.