Home / 13,097.06-19,615.21-7,536.61

Finding the Fourth Proportional to 13,097.06, 19,615.21 and 7,536.61

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Solution

The fourth proportional to 13,097.06, 19,615.21 and 7,536.61 is: 11,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.06 : 19,615.21 = 7,536.61 : x
  2. Step 2: Convert to fraction form
    13,097.06/19,615.21 = 7,536.61/x
  3. Step 3: Cross multiply
    13,097.06x = 19,615.21 × 7,536.61
  4. Step 4: Simplify right side
    13,097.06x = 147,832,119.96
  5. Step 5: Solve for x
    x = 147,832,119.96/13,097.06
  6. Step 6: Final answer
    x = 11,287.43

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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.