Home / 13,884-20,834.19-5,125.07

Finding the Fourth Proportional to 13,884, 20,834.19 and 5,125.07

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Solution

The fourth proportional to 13,884, 20,834.19 and 5,125.07 is: 7,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884 : 20,834.19 = 5,125.07 : x
  2. Step 2: Convert to fraction form
    13,884/20,834.19 = 5,125.07/x
  3. Step 3: Cross multiply
    13,884x = 20,834.19 × 5,125.07
  4. Step 4: Simplify right side
    13,884x = 106,776,577.97
  5. Step 5: Solve for x
    x = 106,776,577.97/13,884
  6. Step 6: Final answer
    x = 7,690.62

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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.