Home / 21,893.09-30,222.52-14,339.73

Finding the Fourth Proportional to 21,893.09, 30,222.52 and 14,339.73

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Solution

The fourth proportional to 21,893.09, 30,222.52 and 14,339.73 is: 19,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893.09 : 30,222.52 = 14,339.73 : x
  2. Step 2: Convert to fraction form
    21,893.09/30,222.52 = 14,339.73/x
  3. Step 3: Cross multiply
    21,893.09x = 30,222.52 × 14,339.73
  4. Step 4: Simplify right side
    21,893.09x = 433,382,854.20
  5. Step 5: Solve for x
    x = 433,382,854.20/21,893.09
  6. Step 6: Final answer
    x = 19,795.42

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1.5x scale

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.