Home / 21,226.05-29,291.22-11,794.01

Finding the Fourth Proportional to 21,226.05, 29,291.22 and 11,794.01

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Solution

The fourth proportional to 21,226.05, 29,291.22 and 11,794.01 is: 16,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.05 : 29,291.22 = 11,794.01 : x
  2. Step 2: Convert to fraction form
    21,226.05/29,291.22 = 11,794.01/x
  3. Step 3: Cross multiply
    21,226.05x = 29,291.22 × 11,794.01
  4. Step 4: Simplify right side
    21,226.05x = 345,460,795.14
  5. Step 5: Solve for x
    x = 345,460,795.14/21,226.05
  6. Step 6: Final answer
    x = 16,275.32

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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.