Home / 13,101.48-19,651.68-3,240.51

Finding the Fourth Proportional to 13,101.48, 19,651.68 and 3,240.51

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Solution

The fourth proportional to 13,101.48, 19,651.68 and 3,240.51 is: 4,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.48 : 19,651.68 = 3,240.51 : x
  2. Step 2: Convert to fraction form
    13,101.48/19,651.68 = 3,240.51/x
  3. Step 3: Cross multiply
    13,101.48x = 19,651.68 × 3,240.51
  4. Step 4: Simplify right side
    13,101.48x = 63,681,465.56
  5. Step 5: Solve for x
    x = 63,681,465.56/13,101.48
  6. Step 6: Final answer
    x = 4,860.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.