Home / 9,180.69-12,674.73-6,660.38

Finding the Fourth Proportional to 9,180.69, 12,674.73 and 6,660.38

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Solution

The fourth proportional to 9,180.69, 12,674.73 and 6,660.38 is: 9,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.69 : 12,674.73 = 6,660.38 : x
  2. Step 2: Convert to fraction form
    9,180.69/12,674.73 = 6,660.38/x
  3. Step 3: Cross multiply
    9,180.69x = 12,674.73 × 6,660.38
  4. Step 4: Simplify right side
    9,180.69x = 84,418,454.82
  5. Step 5: Solve for x
    x = 84,418,454.82/9,180.69
  6. Step 6: Final answer
    x = 9,195.22

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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.