Home / 18,730.87-25,849.11-10,233.35

Finding the Fourth Proportional to 18,730.87, 25,849.11 and 10,233.35

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Solution

The fourth proportional to 18,730.87, 25,849.11 and 10,233.35 is: 14,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.87 : 25,849.11 = 10,233.35 : x
  2. Step 2: Convert to fraction form
    18,730.87/25,849.11 = 10,233.35/x
  3. Step 3: Cross multiply
    18,730.87x = 25,849.11 × 10,233.35
  4. Step 4: Simplify right side
    18,730.87x = 264,523,028.86
  5. Step 5: Solve for x
    x = 264,523,028.86/18,730.87
  6. Step 6: Final answer
    x = 14,122.30

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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.