Home / 14,164.28-19,546.42-7,791.04

Finding the Fourth Proportional to 14,164.28, 19,546.42 and 7,791.04

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Solution

The fourth proportional to 14,164.28, 19,546.42 and 7,791.04 is: 10,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.28 : 19,546.42 = 7,791.04 : x
  2. Step 2: Convert to fraction form
    14,164.28/19,546.42 = 7,791.04/x
  3. Step 3: Cross multiply
    14,164.28x = 19,546.42 × 7,791.04
  4. Step 4: Simplify right side
    14,164.28x = 152,286,940.08
  5. Step 5: Solve for x
    x = 152,286,940.08/14,164.28
  6. Step 6: Final answer
    x = 10,751.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.