Home / 13,665.26-20,497.52-3,805.22

Finding the Fourth Proportional to 13,665.26, 20,497.52 and 3,805.22

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Solution

The fourth proportional to 13,665.26, 20,497.52 and 3,805.22 is: 5,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.26 : 20,497.52 = 3,805.22 : x
  2. Step 2: Convert to fraction form
    13,665.26/20,497.52 = 3,805.22/x
  3. Step 3: Cross multiply
    13,665.26x = 20,497.52 × 3,805.22
  4. Step 4: Simplify right side
    13,665.26x = 77,997,480.08
  5. Step 5: Solve for x
    x = 77,997,480.08/13,665.26
  6. Step 6: Final answer
    x = 5,707.72

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1.5x scale

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.