Home / 13,941.45-20,907.18-5,054.54

Finding the Fourth Proportional to 13,941.45, 20,907.18 and 5,054.54

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Solution

The fourth proportional to 13,941.45, 20,907.18 and 5,054.54 is: 7,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.45 : 20,907.18 = 5,054.54 : x
  2. Step 2: Convert to fraction form
    13,941.45/20,907.18 = 5,054.54/x
  3. Step 3: Cross multiply
    13,941.45x = 20,907.18 × 5,054.54
  4. Step 4: Simplify right side
    13,941.45x = 105,676,073.06
  5. Step 5: Solve for x
    x = 105,676,073.06/13,941.45
  6. Step 6: Final answer
    x = 7,579.99

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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.