Home / 19,703.86-27,177.83-11,739.94

Finding the Fourth Proportional to 19,703.86, 27,177.83 and 11,739.94

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Solution

The fourth proportional to 19,703.86, 27,177.83 and 11,739.94 is: 16,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.86 : 27,177.83 = 11,739.94 : x
  2. Step 2: Convert to fraction form
    19,703.86/27,177.83 = 11,739.94/x
  3. Step 3: Cross multiply
    19,703.86x = 27,177.83 × 11,739.94
  4. Step 4: Simplify right side
    19,703.86x = 319,066,010.91
  5. Step 5: Solve for x
    x = 319,066,010.91/19,703.86
  6. Step 6: Final answer
    x = 16,193.07

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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.