Home / 10,831.20-16,237.30-5,206.07

Finding the Fourth Proportional to 10,831.20, 16,237.30 and 5,206.07

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Solution

The fourth proportional to 10,831.20, 16,237.30 and 5,206.07 is: 7,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.20 : 16,237.30 = 5,206.07 : x
  2. Step 2: Convert to fraction form
    10,831.20/16,237.30 = 5,206.07/x
  3. Step 3: Cross multiply
    10,831.20x = 16,237.30 × 5,206.07
  4. Step 4: Simplify right side
    10,831.20x = 84,532,520.41
  5. Step 5: Solve for x
    x = 84,532,520.41/10,831.20
  6. Step 6: Final answer
    x = 7,804.54

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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.