Home / 13,108.74-19,668.87-4,344.90

Finding the Fourth Proportional to 13,108.74, 19,668.87 and 4,344.90

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Solution

The fourth proportional to 13,108.74, 19,668.87 and 4,344.90 is: 6,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.74 : 19,668.87 = 4,344.90 : x
  2. Step 2: Convert to fraction form
    13,108.74/19,668.87 = 4,344.90/x
  3. Step 3: Cross multiply
    13,108.74x = 19,668.87 × 4,344.90
  4. Step 4: Simplify right side
    13,108.74x = 85,459,273.26
  5. Step 5: Solve for x
    x = 85,459,273.26/13,108.74
  6. Step 6: Final answer
    x = 6,519.26

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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.