Home / 11,898.37-17,849.80-4,783.16

Finding the Fourth Proportional to 11,898.37, 17,849.80 and 4,783.16

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Solution

The fourth proportional to 11,898.37, 17,849.80 and 4,783.16 is: 7,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.37 : 17,849.80 = 4,783.16 : x
  2. Step 2: Convert to fraction form
    11,898.37/17,849.80 = 4,783.16/x
  3. Step 3: Cross multiply
    11,898.37x = 17,849.80 × 4,783.16
  4. Step 4: Simplify right side
    11,898.37x = 85,378,360.12
  5. Step 5: Solve for x
    x = 85,378,360.12/11,898.37
  6. Step 6: Final answer
    x = 7,175.64

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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.