Home / 13,791.62-20,678.36-9,097.31

Finding the Fourth Proportional to 13,791.62, 20,678.36 and 9,097.31

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Solution

The fourth proportional to 13,791.62, 20,678.36 and 9,097.31 is: 13,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.62 : 20,678.36 = 9,097.31 : x
  2. Step 2: Convert to fraction form
    13,791.62/20,678.36 = 9,097.31/x
  3. Step 3: Cross multiply
    13,791.62x = 20,678.36 × 9,097.31
  4. Step 4: Simplify right side
    13,791.62x = 188,117,302.33
  5. Step 5: Solve for x
    x = 188,117,302.33/13,791.62
  6. Step 6: Final answer
    x = 13,639.98

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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.