Home / 21,066.36-29,069.10-11,634.36

Finding the Fourth Proportional to 21,066.36, 29,069.10 and 11,634.36

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Solution

The fourth proportional to 21,066.36, 29,069.10 and 11,634.36 is: 16,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.36 : 29,069.10 = 11,634.36 : x
  2. Step 2: Convert to fraction form
    21,066.36/29,069.10 = 11,634.36/x
  3. Step 3: Cross multiply
    21,066.36x = 29,069.10 × 11,634.36
  4. Step 4: Simplify right side
    21,066.36x = 338,200,374.28
  5. Step 5: Solve for x
    x = 338,200,374.28/21,066.36
  6. Step 6: Final answer
    x = 16,054.05

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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.