Home / 13,629.52-20,424.92-10,497.68

Finding the Fourth Proportional to 13,629.52, 20,424.92 and 10,497.68

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Solution

The fourth proportional to 13,629.52, 20,424.92 and 10,497.68 is: 15,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.52 : 20,424.92 = 10,497.68 : x
  2. Step 2: Convert to fraction form
    13,629.52/20,424.92 = 10,497.68/x
  3. Step 3: Cross multiply
    13,629.52x = 20,424.92 × 10,497.68
  4. Step 4: Simplify right side
    13,629.52x = 214,414,274.19
  5. Step 5: Solve for x
    x = 214,414,274.19/13,629.52
  6. Step 6: Final answer
    x = 15,731.61

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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.