Home / 13,292.51-19,932.93-3,933.26

Finding the Fourth Proportional to 13,292.51, 19,932.93 and 3,933.26

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Solution

The fourth proportional to 13,292.51, 19,932.93 and 3,933.26 is: 5,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.51 : 19,932.93 = 3,933.26 : x
  2. Step 2: Convert to fraction form
    13,292.51/19,932.93 = 3,933.26/x
  3. Step 3: Cross multiply
    13,292.51x = 19,932.93 × 3,933.26
  4. Step 4: Simplify right side
    13,292.51x = 78,401,400.47
  5. Step 5: Solve for x
    x = 78,401,400.47/13,292.51
  6. Step 6: Final answer
    x = 5,898.16

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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.