Home / 21,634.39-29,853.57-12,073.56

Finding the Fourth Proportional to 21,634.39, 29,853.57 and 12,073.56

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Solution

The fourth proportional to 21,634.39, 29,853.57 and 12,073.56 is: 16,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.39 : 29,853.57 = 12,073.56 : x
  2. Step 2: Convert to fraction form
    21,634.39/29,853.57 = 12,073.56/x
  3. Step 3: Cross multiply
    21,634.39x = 29,853.57 × 12,073.56
  4. Step 4: Simplify right side
    21,634.39x = 360,438,868.61
  5. Step 5: Solve for x
    x = 360,438,868.61/21,634.39
  6. Step 6: Final answer
    x = 16,660.46

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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.