Home / 10,553.52-15,831.10-3,533.56

Finding the Fourth Proportional to 10,553.52, 15,831.10 and 3,533.56

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Solution

The fourth proportional to 10,553.52, 15,831.10 and 3,533.56 is: 5,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.52 : 15,831.10 = 3,533.56 : x
  2. Step 2: Convert to fraction form
    10,553.52/15,831.10 = 3,533.56/x
  3. Step 3: Cross multiply
    10,553.52x = 15,831.10 × 3,533.56
  4. Step 4: Simplify right side
    10,553.52x = 55,940,086.68
  5. Step 5: Solve for x
    x = 55,940,086.68/10,553.52
  6. Step 6: Final answer
    x = 5,300.61

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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.