Home / 9,905.64-14,850.36-3,661.68

Finding the Fourth Proportional to 9,905.64, 14,850.36 and 3,661.68

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Solution

The fourth proportional to 9,905.64, 14,850.36 and 3,661.68 is: 5,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.64 : 14,850.36 = 3,661.68 : x
  2. Step 2: Convert to fraction form
    9,905.64/14,850.36 = 3,661.68/x
  3. Step 3: Cross multiply
    9,905.64x = 14,850.36 × 3,661.68
  4. Step 4: Simplify right side
    9,905.64x = 54,377,266.20
  5. Step 5: Solve for x
    x = 54,377,266.20/9,905.64
  6. Step 6: Final answer
    x = 5,489.53

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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.