Home / 10,553.06-15,831.76-3,533.78

Finding the Fourth Proportional to 10,553.06, 15,831.76 and 3,533.78

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Solution

The fourth proportional to 10,553.06, 15,831.76 and 3,533.78 is: 5,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.06 : 15,831.76 = 3,533.78 : x
  2. Step 2: Convert to fraction form
    10,553.06/15,831.76 = 3,533.78/x
  3. Step 3: Cross multiply
    10,553.06x = 15,831.76 × 3,533.78
  4. Step 4: Simplify right side
    10,553.06x = 55,945,956.85
  5. Step 5: Solve for x
    x = 55,945,956.85/10,553.06
  6. Step 6: Final answer
    x = 5,301.40

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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.