Home / 19,390.51-29,089.01-6,917.73

Finding the Fourth Proportional to 19,390.51, 29,089.01 and 6,917.73

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Solution

The fourth proportional to 19,390.51, 29,089.01 and 6,917.73 is: 10,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.51 : 29,089.01 = 6,917.73 : x
  2. Step 2: Convert to fraction form
    19,390.51/29,089.01 = 6,917.73/x
  3. Step 3: Cross multiply
    19,390.51x = 29,089.01 × 6,917.73
  4. Step 4: Simplify right side
    19,390.51x = 201,229,917.15
  5. Step 5: Solve for x
    x = 201,229,917.15/19,390.51
  6. Step 6: Final answer
    x = 10,377.75

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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.