Home / 14,170.19-21,253.66-3,782.75

Finding the Fourth Proportional to 14,170.19, 21,253.66 and 3,782.75

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Solution

The fourth proportional to 14,170.19, 21,253.66 and 3,782.75 is: 5,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.19 : 21,253.66 = 3,782.75 : x
  2. Step 2: Convert to fraction form
    14,170.19/21,253.66 = 3,782.75/x
  3. Step 3: Cross multiply
    14,170.19x = 21,253.66 × 3,782.75
  4. Step 4: Simplify right side
    14,170.19x = 80,397,166.64
  5. Step 5: Solve for x
    x = 80,397,166.64/14,170.19
  6. Step 6: Final answer
    x = 5,673.69

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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.