Home / 19,137.38-28,707.19-5,810.81

Finding the Fourth Proportional to 19,137.38, 28,707.19 and 5,810.81

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Solution

The fourth proportional to 19,137.38, 28,707.19 and 5,810.81 is: 8,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.38 : 28,707.19 = 5,810.81 : x
  2. Step 2: Convert to fraction form
    19,137.38/28,707.19 = 5,810.81/x
  3. Step 3: Cross multiply
    19,137.38x = 28,707.19 × 5,810.81
  4. Step 4: Simplify right side
    19,137.38x = 166,812,066.67
  5. Step 5: Solve for x
    x = 166,812,066.67/19,137.38
  6. Step 6: Final answer
    x = 8,716.56

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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.