Home / 20,262.63-27,967.10-11,881.83

Finding the Fourth Proportional to 20,262.63, 27,967.10 and 11,881.83

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Solution

The fourth proportional to 20,262.63, 27,967.10 and 11,881.83 is: 16,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.63 : 27,967.10 = 11,881.83 : x
  2. Step 2: Convert to fraction form
    20,262.63/27,967.10 = 11,881.83/x
  3. Step 3: Cross multiply
    20,262.63x = 27,967.10 × 11,881.83
  4. Step 4: Simplify right side
    20,262.63x = 332,300,268.38
  5. Step 5: Solve for x
    x = 332,300,268.38/20,262.63
  6. Step 6: Final answer
    x = 16,399.66

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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.