Home / 16,771.53-23,145.27-9,218.13

Finding the Fourth Proportional to 16,771.53, 23,145.27 and 9,218.13

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Solution

The fourth proportional to 16,771.53, 23,145.27 and 9,218.13 is: 12,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.53 : 23,145.27 = 9,218.13 : x
  2. Step 2: Convert to fraction form
    16,771.53/23,145.27 = 9,218.13/x
  3. Step 3: Cross multiply
    16,771.53x = 23,145.27 × 9,218.13
  4. Step 4: Simplify right side
    16,771.53x = 213,356,107.75
  5. Step 5: Solve for x
    x = 213,356,107.75/16,771.53
  6. Step 6: Final answer
    x = 12,721.33

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Double scale
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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.