Home / 14,436.26-21,661.57-8,107.21

Finding the Fourth Proportional to 14,436.26, 21,661.57 and 8,107.21

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Solution

The fourth proportional to 14,436.26, 21,661.57 and 8,107.21 is: 12,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.26 : 21,661.57 = 8,107.21 : x
  2. Step 2: Convert to fraction form
    14,436.26/21,661.57 = 8,107.21/x
  3. Step 3: Cross multiply
    14,436.26x = 21,661.57 × 8,107.21
  4. Step 4: Simplify right side
    14,436.26x = 175,614,934.13
  5. Step 5: Solve for x
    x = 175,614,934.13/14,436.26
  6. Step 6: Final answer
    x = 12,164.85

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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.