Home / 19,278.14-28,917.21-6,130.51

Finding the Fourth Proportional to 19,278.14, 28,917.21 and 6,130.51

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Solution

The fourth proportional to 19,278.14, 28,917.21 and 6,130.51 is: 9,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.14 : 28,917.21 = 6,130.51 : x
  2. Step 2: Convert to fraction form
    19,278.14/28,917.21 = 6,130.51/x
  3. Step 3: Cross multiply
    19,278.14x = 28,917.21 × 6,130.51
  4. Step 4: Simplify right side
    19,278.14x = 177,277,245.08
  5. Step 5: Solve for x
    x = 177,277,245.08/19,278.14
  6. Step 6: Final answer
    x = 9,195.77

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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.