Home / 21,974.88-30,338.27-14,434.36

Finding the Fourth Proportional to 21,974.88, 30,338.27 and 14,434.36

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Solution

The fourth proportional to 21,974.88, 30,338.27 and 14,434.36 is: 19,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.88 : 30,338.27 = 14,434.36 : x
  2. Step 2: Convert to fraction form
    21,974.88/30,338.27 = 14,434.36/x
  3. Step 3: Cross multiply
    21,974.88x = 30,338.27 × 14,434.36
  4. Step 4: Simplify right side
    21,974.88x = 437,913,542.99
  5. Step 5: Solve for x
    x = 437,913,542.99/21,974.88
  6. Step 6: Final answer
    x = 19,927.92

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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.