Home / 11,138.04-16,706.34-4,212.36

Finding the Fourth Proportional to 11,138.04, 16,706.34 and 4,212.36

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Solution

The fourth proportional to 11,138.04, 16,706.34 and 4,212.36 is: 6,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.04 : 16,706.34 = 4,212.36 : x
  2. Step 2: Convert to fraction form
    11,138.04/16,706.34 = 4,212.36/x
  3. Step 3: Cross multiply
    11,138.04x = 16,706.34 × 4,212.36
  4. Step 4: Simplify right side
    11,138.04x = 70,373,118.36
  5. Step 5: Solve for x
    x = 70,373,118.36/11,138.04
  6. Step 6: Final answer
    x = 6,318.27

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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.