Home / 14,213.55-21,320.40-3,682.84

Finding the Fourth Proportional to 14,213.55, 21,320.40 and 3,682.84

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Solution

The fourth proportional to 14,213.55, 21,320.40 and 3,682.84 is: 5,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.55 : 21,320.40 = 3,682.84 : x
  2. Step 2: Convert to fraction form
    14,213.55/21,320.40 = 3,682.84/x
  3. Step 3: Cross multiply
    14,213.55x = 21,320.40 × 3,682.84
  4. Step 4: Simplify right side
    14,213.55x = 78,519,621.94
  5. Step 5: Solve for x
    x = 78,519,621.94/14,213.55
  6. Step 6: Final answer
    x = 5,524.28

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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.