Home / 9,324.84-13,989.32-3,086.80

Finding the Fourth Proportional to 9,324.84, 13,989.32 and 3,086.80

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Solution

The fourth proportional to 9,324.84, 13,989.32 and 3,086.80 is: 4,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.84 : 13,989.32 = 3,086.80 : x
  2. Step 2: Convert to fraction form
    9,324.84/13,989.32 = 3,086.80/x
  3. Step 3: Cross multiply
    9,324.84x = 13,989.32 × 3,086.80
  4. Step 4: Simplify right side
    9,324.84x = 43,182,232.98
  5. Step 5: Solve for x
    x = 43,182,232.98/9,324.84
  6. Step 6: Final answer
    x = 4,630.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.