Home / 19,198-26,502.12-13,537.36

Finding the Fourth Proportional to 19,198, 26,502.12 and 13,537.36

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Solution

The fourth proportional to 19,198, 26,502.12 and 13,537.36 is: 18,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198 : 26,502.12 = 13,537.36 : x
  2. Step 2: Convert to fraction form
    19,198/26,502.12 = 13,537.36/x
  3. Step 3: Cross multiply
    19,198x = 26,502.12 × 13,537.36
  4. Step 4: Simplify right side
    19,198x = 358,768,739.20
  5. Step 5: Solve for x
    x = 358,768,739.20/19,198
  6. Step 6: Final answer
    x = 18,687.82

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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.