Home / 18,788.04-28,183.66-4,937

Finding the Fourth Proportional to 18,788.04, 28,183.66 and 4,937

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Solution

The fourth proportional to 18,788.04, 28,183.66 and 4,937 is: 7,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.04 : 28,183.66 = 4,937 : x
  2. Step 2: Convert to fraction form
    18,788.04/28,183.66 = 4,937/x
  3. Step 3: Cross multiply
    18,788.04x = 28,183.66 × 4,937
  4. Step 4: Simplify right side
    18,788.04x = 139,142,729.42
  5. Step 5: Solve for x
    x = 139,142,729.42/18,788.04
  6. Step 6: Final answer
    x = 7,405.92

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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.