Home / 21,997.53-30,348.63-14,447.95

Finding the Fourth Proportional to 21,997.53, 30,348.63 and 14,447.95

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Solution

The fourth proportional to 21,997.53, 30,348.63 and 14,447.95 is: 19,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.53 : 30,348.63 = 14,447.95 : x
  2. Step 2: Convert to fraction form
    21,997.53/30,348.63 = 14,447.95/x
  3. Step 3: Cross multiply
    21,997.53x = 30,348.63 × 14,447.95
  4. Step 4: Simplify right side
    21,997.53x = 438,475,524.93
  5. Step 5: Solve for x
    x = 438,475,524.93/21,997.53
  6. Step 6: Final answer
    x = 19,932.95

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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.