Home / 13,760.26-20,643.88-6,370.04

Finding the Fourth Proportional to 13,760.26, 20,643.88 and 6,370.04

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Solution

The fourth proportional to 13,760.26, 20,643.88 and 6,370.04 is: 9,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.26 : 20,643.88 = 6,370.04 : x
  2. Step 2: Convert to fraction form
    13,760.26/20,643.88 = 6,370.04/x
  3. Step 3: Cross multiply
    13,760.26x = 20,643.88 × 6,370.04
  4. Step 4: Simplify right side
    13,760.26x = 131,502,341.36
  5. Step 5: Solve for x
    x = 131,502,341.36/13,760.26
  6. Step 6: Final answer
    x = 9,556.68

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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.