Home / 19,732.87-27,231.89-11,779.71

Finding the Fourth Proportional to 19,732.87, 27,231.89 and 11,779.71

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Solution

The fourth proportional to 19,732.87, 27,231.89 and 11,779.71 is: 16,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.87 : 27,231.89 = 11,779.71 : x
  2. Step 2: Convert to fraction form
    19,732.87/27,231.89 = 11,779.71/x
  3. Step 3: Cross multiply
    19,732.87x = 27,231.89 × 11,779.71
  4. Step 4: Simplify right side
    19,732.87x = 320,783,796.40
  5. Step 5: Solve for x
    x = 320,783,796.40/19,732.87
  6. Step 6: Final answer
    x = 16,256.32

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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.