Home / 19,899.11-27,464.69-11,406.93

Finding the Fourth Proportional to 19,899.11, 27,464.69 and 11,406.93

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Solution

The fourth proportional to 19,899.11, 27,464.69 and 11,406.93 is: 15,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.11 : 27,464.69 = 11,406.93 : x
  2. Step 2: Convert to fraction form
    19,899.11/27,464.69 = 11,406.93/x
  3. Step 3: Cross multiply
    19,899.11x = 27,464.69 × 11,406.93
  4. Step 4: Simplify right side
    19,899.11x = 313,287,743.22
  5. Step 5: Solve for x
    x = 313,287,743.22/19,899.11
  6. Step 6: Final answer
    x = 15,743.81

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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.