Home / 13,914.90-20,872.89-4,556.16

Finding the Fourth Proportional to 13,914.90, 20,872.89 and 4,556.16

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Solution

The fourth proportional to 13,914.90, 20,872.89 and 4,556.16 is: 6,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.90 : 20,872.89 = 4,556.16 : x
  2. Step 2: Convert to fraction form
    13,914.90/20,872.89 = 4,556.16/x
  3. Step 3: Cross multiply
    13,914.90x = 20,872.89 × 4,556.16
  4. Step 4: Simplify right side
    13,914.90x = 95,100,226.50
  5. Step 5: Solve for x
    x = 95,100,226.50/13,914.90
  6. Step 6: Final answer
    x = 6,834.42

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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.