Home / 13,775.24-19,003.72-8,183

Finding the Fourth Proportional to 13,775.24, 19,003.72 and 8,183

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Solution

The fourth proportional to 13,775.24, 19,003.72 and 8,183 is: 11,288.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775.24 : 19,003.72 = 8,183 : x
  2. Step 2: Convert to fraction form
    13,775.24/19,003.72 = 8,183/x
  3. Step 3: Cross multiply
    13,775.24x = 19,003.72 × 8,183
  4. Step 4: Simplify right side
    13,775.24x = 155,507,440.76
  5. Step 5: Solve for x
    x = 155,507,440.76/13,775.24
  6. Step 6: Final answer
    x = 11,288.91

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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.