Home / 21,454.35-29,606.97-12,022.98

Finding the Fourth Proportional to 21,454.35, 29,606.97 and 12,022.98

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Solution

The fourth proportional to 21,454.35, 29,606.97 and 12,022.98 is: 16,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.35 : 29,606.97 = 12,022.98 : x
  2. Step 2: Convert to fraction form
    21,454.35/29,606.97 = 12,022.98/x
  3. Step 3: Cross multiply
    21,454.35x = 29,606.97 × 12,022.98
  4. Step 4: Simplify right side
    21,454.35x = 355,964,008.17
  5. Step 5: Solve for x
    x = 355,964,008.17/21,454.35
  6. Step 6: Final answer
    x = 16,591.69

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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.