Home / 21,164.22-29,206.95-11,604.98

Finding the Fourth Proportional to 21,164.22, 29,206.95 and 11,604.98

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Solution

The fourth proportional to 21,164.22, 29,206.95 and 11,604.98 is: 16,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164.22 : 29,206.95 = 11,604.98 : x
  2. Step 2: Convert to fraction form
    21,164.22/29,206.95 = 11,604.98/x
  3. Step 3: Cross multiply
    21,164.22x = 29,206.95 × 11,604.98
  4. Step 4: Simplify right side
    21,164.22x = 338,945,924.58
  5. Step 5: Solve for x
    x = 338,945,924.58/21,164.22
  6. Step 6: Final answer
    x = 16,015.04

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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.