Home / 21,953.36-30,295.67-11,881.82

Finding the Fourth Proportional to 21,953.36, 30,295.67 and 11,881.82

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Solution

The fourth proportional to 21,953.36, 30,295.67 and 11,881.82 is: 16,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953.36 : 30,295.67 = 11,881.82 : x
  2. Step 2: Convert to fraction form
    21,953.36/30,295.67 = 11,881.82/x
  3. Step 3: Cross multiply
    21,953.36x = 30,295.67 × 11,881.82
  4. Step 4: Simplify right side
    21,953.36x = 359,967,697.72
  5. Step 5: Solve for x
    x = 359,967,697.72/21,953.36
  6. Step 6: Final answer
    x = 16,396.93

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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.