Home / 11,221.03-16,831.57-4,200.76

Finding the Fourth Proportional to 11,221.03, 16,831.57 and 4,200.76

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Solution

The fourth proportional to 11,221.03, 16,831.57 and 4,200.76 is: 6,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.03 : 16,831.57 = 4,200.76 : x
  2. Step 2: Convert to fraction form
    11,221.03/16,831.57 = 4,200.76/x
  3. Step 3: Cross multiply
    11,221.03x = 16,831.57 × 4,200.76
  4. Step 4: Simplify right side
    11,221.03x = 70,705,385.99
  5. Step 5: Solve for x
    x = 70,705,385.99/11,221.03
  6. Step 6: Final answer
    x = 6,301.15

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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.