Home / 21,064.98-29,069.66-11,633.54

Finding the Fourth Proportional to 21,064.98, 29,069.66 and 11,633.54

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Solution

The fourth proportional to 21,064.98, 29,069.66 and 11,633.54 is: 16,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.98 : 29,069.66 = 11,633.54 : x
  2. Step 2: Convert to fraction form
    21,064.98/29,069.66 = 11,633.54/x
  3. Step 3: Cross multiply
    21,064.98x = 29,069.66 × 11,633.54
  4. Step 4: Simplify right side
    21,064.98x = 338,182,848.88
  5. Step 5: Solve for x
    x = 338,182,848.88/21,064.98
  6. Step 6: Final answer
    x = 16,054.27

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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.