Home / 20,149.36-27,801.84-11,762.08

Finding the Fourth Proportional to 20,149.36, 27,801.84 and 11,762.08

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Solution

The fourth proportional to 20,149.36, 27,801.84 and 11,762.08 is: 16,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.36 : 27,801.84 = 11,762.08 : x
  2. Step 2: Convert to fraction form
    20,149.36/27,801.84 = 11,762.08/x
  3. Step 3: Cross multiply
    20,149.36x = 27,801.84 × 11,762.08
  4. Step 4: Simplify right side
    20,149.36x = 327,007,466.23
  5. Step 5: Solve for x
    x = 327,007,466.23/20,149.36
  6. Step 6: Final answer
    x = 16,229.17

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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.