Home / 13,865.08-19,134.12-8,275

Finding the Fourth Proportional to 13,865.08, 19,134.12 and 8,275

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Solution

The fourth proportional to 13,865.08, 19,134.12 and 8,275 is: 11,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.08 : 19,134.12 = 8,275 : x
  2. Step 2: Convert to fraction form
    13,865.08/19,134.12 = 8,275/x
  3. Step 3: Cross multiply
    13,865.08x = 19,134.12 × 8,275
  4. Step 4: Simplify right side
    13,865.08x = 158,334,843
  5. Step 5: Solve for x
    x = 158,334,843/13,865.08
  6. Step 6: Final answer
    x = 11,419.68

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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.