Home / 19,277.06-28,918.47-6,129.86

Finding the Fourth Proportional to 19,277.06, 28,918.47 and 6,129.86

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Solution

The fourth proportional to 19,277.06, 28,918.47 and 6,129.86 is: 9,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.06 : 28,918.47 = 6,129.86 : x
  2. Step 2: Convert to fraction form
    19,277.06/28,918.47 = 6,129.86/x
  3. Step 3: Cross multiply
    19,277.06x = 28,918.47 × 6,129.86
  4. Step 4: Simplify right side
    19,277.06x = 177,266,172.51
  5. Step 5: Solve for x
    x = 177,266,172.51/19,277.06
  6. Step 6: Final answer
    x = 9,195.71

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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.