Home / 22,970.93-31,697.33-12,897.97

Finding the Fourth Proportional to 22,970.93, 31,697.33 and 12,897.97

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Solution

The fourth proportional to 22,970.93, 31,697.33 and 12,897.97 is: 17,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,970.93 : 31,697.33 = 12,897.97 : x
  2. Step 2: Convert to fraction form
    22,970.93/31,697.33 = 12,897.97/x
  3. Step 3: Cross multiply
    22,970.93x = 31,697.33 × 12,897.97
  4. Step 4: Simplify right side
    22,970.93x = 408,831,067.69
  5. Step 5: Solve for x
    x = 408,831,067.69/22,970.93
  6. Step 6: Final answer
    x = 17,797.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.