Home / 21,192.82-29,246.45-11,633.60

Finding the Fourth Proportional to 21,192.82, 29,246.45 and 11,633.60

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Solution

The fourth proportional to 21,192.82, 29,246.45 and 11,633.60 is: 16,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.82 : 29,246.45 = 11,633.60 : x
  2. Step 2: Convert to fraction form
    21,192.82/29,246.45 = 11,633.60/x
  3. Step 3: Cross multiply
    21,192.82x = 29,246.45 × 11,633.60
  4. Step 4: Simplify right side
    21,192.82x = 340,241,515.67
  5. Step 5: Solve for x
    x = 340,241,515.67/21,192.82
  6. Step 6: Final answer
    x = 16,054.57

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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.