Home / 12,103.32-16,709.31-9,265.26

Finding the Fourth Proportional to 12,103.32, 16,709.31 and 9,265.26

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Solution

The fourth proportional to 12,103.32, 16,709.31 and 9,265.26 is: 12,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.32 : 16,709.31 = 9,265.26 : x
  2. Step 2: Convert to fraction form
    12,103.32/16,709.31 = 9,265.26/x
  3. Step 3: Cross multiply
    12,103.32x = 16,709.31 × 9,265.26
  4. Step 4: Simplify right side
    12,103.32x = 154,816,101.57
  5. Step 5: Solve for x
    x = 154,816,101.57/12,103.32
  6. Step 6: Final answer
    x = 12,791.21

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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.