Home / 19,507.37-29,277.45-8,422.38

Finding the Fourth Proportional to 19,507.37, 29,277.45 and 8,422.38

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Solution

The fourth proportional to 19,507.37, 29,277.45 and 8,422.38 is: 12,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507.37 : 29,277.45 = 8,422.38 : x
  2. Step 2: Convert to fraction form
    19,507.37/29,277.45 = 8,422.38/x
  3. Step 3: Cross multiply
    19,507.37x = 29,277.45 × 8,422.38
  4. Step 4: Simplify right side
    19,507.37x = 246,585,809.33
  5. Step 5: Solve for x
    x = 246,585,809.33/19,507.37
  6. Step 6: Final answer
    x = 12,640.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.