Home / 20,150.36-27,803.22-11,763.08

Finding the Fourth Proportional to 20,150.36, 27,803.22 and 11,763.08

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Solution

The fourth proportional to 20,150.36, 27,803.22 and 11,763.08 is: 16,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.36 : 27,803.22 = 11,763.08 : x
  2. Step 2: Convert to fraction form
    20,150.36/27,803.22 = 11,763.08/x
  3. Step 3: Cross multiply
    20,150.36x = 27,803.22 × 11,763.08
  4. Step 4: Simplify right side
    20,150.36x = 327,051,501.12
  5. Step 5: Solve for x
    x = 327,051,501.12/20,150.36
  6. Step 6: Final answer
    x = 16,230.55

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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.