Home / 14,119.57-21,165.59-6,722.04

Finding the Fourth Proportional to 14,119.57, 21,165.59 and 6,722.04

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Solution

The fourth proportional to 14,119.57, 21,165.59 and 6,722.04 is: 10,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.57 : 21,165.59 = 6,722.04 : x
  2. Step 2: Convert to fraction form
    14,119.57/21,165.59 = 6,722.04/x
  3. Step 3: Cross multiply
    14,119.57x = 21,165.59 × 6,722.04
  4. Step 4: Simplify right side
    14,119.57x = 142,275,961.91
  5. Step 5: Solve for x
    x = 142,275,961.91/14,119.57
  6. Step 6: Final answer
    x = 10,076.51

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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.