Home / 11,012.13-16,518.33-3,221.10

Finding the Fourth Proportional to 11,012.13, 16,518.33 and 3,221.10

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Solution

The fourth proportional to 11,012.13, 16,518.33 and 3,221.10 is: 4,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.13 : 16,518.33 = 3,221.10 : x
  2. Step 2: Convert to fraction form
    11,012.13/16,518.33 = 3,221.10/x
  3. Step 3: Cross multiply
    11,012.13x = 16,518.33 × 3,221.10
  4. Step 4: Simplify right side
    11,012.13x = 53,207,192.76
  5. Step 5: Solve for x
    x = 53,207,192.76/11,012.13
  6. Step 6: Final answer
    x = 4,831.69

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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.