Home / 21,896.09-30,226.66-14,342.73

Finding the Fourth Proportional to 21,896.09, 30,226.66 and 14,342.73

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Solution

The fourth proportional to 21,896.09, 30,226.66 and 14,342.73 is: 19,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896.09 : 30,226.66 = 14,342.73 : x
  2. Step 2: Convert to fraction form
    21,896.09/30,226.66 = 14,342.73/x
  3. Step 3: Cross multiply
    21,896.09x = 30,226.66 × 14,342.73
  4. Step 4: Simplify right side
    21,896.09x = 433,532,823.18
  5. Step 5: Solve for x
    x = 433,532,823.18/21,896.09
  6. Step 6: Final answer
    x = 19,799.55

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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.