Home / 11,015.04-16,521.20-3,223.78

Finding the Fourth Proportional to 11,015.04, 16,521.20 and 3,223.78

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Solution

The fourth proportional to 11,015.04, 16,521.20 and 3,223.78 is: 4,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.04 : 16,521.20 = 3,223.78 : x
  2. Step 2: Convert to fraction form
    11,015.04/16,521.20 = 3,223.78/x
  3. Step 3: Cross multiply
    11,015.04x = 16,521.20 × 3,223.78
  4. Step 4: Simplify right side
    11,015.04x = 53,260,714.14
  5. Step 5: Solve for x
    x = 53,260,714.14/11,015.04
  6. Step 6: Final answer
    x = 4,835.27

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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.