Home / 19,797.38-29,664.47-14,507.87

Finding the Fourth Proportional to 19,797.38, 29,664.47 and 14,507.87

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Solution

The fourth proportional to 19,797.38, 29,664.47 and 14,507.87 is: 21,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.38 : 29,664.47 = 14,507.87 : x
  2. Step 2: Convert to fraction form
    19,797.38/29,664.47 = 14,507.87/x
  3. Step 3: Cross multiply
    19,797.38x = 29,664.47 × 14,507.87
  4. Step 4: Simplify right side
    19,797.38x = 430,368,449.09
  5. Step 5: Solve for x
    x = 430,368,449.09/19,797.38
  6. Step 6: Final answer
    x = 21,738.66

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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.