Home / 9,195.46-12,688.70-5,418.38

Finding the Fourth Proportional to 9,195.46, 12,688.70 and 5,418.38

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Solution

The fourth proportional to 9,195.46, 12,688.70 and 5,418.38 is: 7,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.46 : 12,688.70 = 5,418.38 : x
  2. Step 2: Convert to fraction form
    9,195.46/12,688.70 = 5,418.38/x
  3. Step 3: Cross multiply
    9,195.46x = 12,688.70 × 5,418.38
  4. Step 4: Simplify right side
    9,195.46x = 68,752,162.04
  5. Step 5: Solve for x
    x = 68,752,162.04/9,195.46
  6. Step 6: Final answer
    x = 7,476.75

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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.