Home / 21,367.52-29,498.64-14,306

Finding the Fourth Proportional to 21,367.52, 29,498.64 and 14,306

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Solution

The fourth proportional to 21,367.52, 29,498.64 and 14,306 is: 19,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.52 : 29,498.64 = 14,306 : x
  2. Step 2: Convert to fraction form
    21,367.52/29,498.64 = 14,306/x
  3. Step 3: Cross multiply
    21,367.52x = 29,498.64 × 14,306
  4. Step 4: Simplify right side
    21,367.52x = 422,007,543.84
  5. Step 5: Solve for x
    x = 422,007,543.84/21,367.52
  6. Step 6: Final answer
    x = 19,749.95

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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.