Home / 19,108.71-26,361.99-13,791.87

Finding the Fourth Proportional to 19,108.71, 26,361.99 and 13,791.87

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Solution

The fourth proportional to 19,108.71, 26,361.99 and 13,791.87 is: 19,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.71 : 26,361.99 = 13,791.87 : x
  2. Step 2: Convert to fraction form
    19,108.71/26,361.99 = 13,791.87/x
  3. Step 3: Cross multiply
    19,108.71x = 26,361.99 × 13,791.87
  4. Step 4: Simplify right side
    19,108.71x = 363,581,139.02
  5. Step 5: Solve for x
    x = 363,581,139.02/19,108.71
  6. Step 6: Final answer
    x = 19,026.99

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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.