Home / 9,194.94-12,688.58-5,418.26

Finding the Fourth Proportional to 9,194.94, 12,688.58 and 5,418.26

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Solution

The fourth proportional to 9,194.94, 12,688.58 and 5,418.26 is: 7,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.94 : 12,688.58 = 5,418.26 : x
  2. Step 2: Convert to fraction form
    9,194.94/12,688.58 = 5,418.26/x
  3. Step 3: Cross multiply
    9,194.94x = 12,688.58 × 5,418.26
  4. Step 4: Simplify right side
    9,194.94x = 68,750,025.47
  5. Step 5: Solve for x
    x = 68,750,025.47/9,194.94
  6. Step 6: Final answer
    x = 7,476.94

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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.