Home / 13,134.03-19,666.62-10,489.38

Finding the Fourth Proportional to 13,134.03, 19,666.62 and 10,489.38

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Solution

The fourth proportional to 13,134.03, 19,666.62 and 10,489.38 is: 15,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.03 : 19,666.62 = 10,489.38 : x
  2. Step 2: Convert to fraction form
    13,134.03/19,666.62 = 10,489.38/x
  3. Step 3: Cross multiply
    13,134.03x = 19,666.62 × 10,489.38
  4. Step 4: Simplify right side
    13,134.03x = 206,290,650.50
  5. Step 5: Solve for x
    x = 206,290,650.50/13,134.03
  6. Step 6: Final answer
    x = 15,706.58

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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.