Home / 21,151.94-29,166.08-14,441.09

Finding the Fourth Proportional to 21,151.94, 29,166.08 and 14,441.09

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Solution

The fourth proportional to 21,151.94, 29,166.08 and 14,441.09 is: 19,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151.94 : 29,166.08 = 14,441.09 : x
  2. Step 2: Convert to fraction form
    21,151.94/29,166.08 = 14,441.09/x
  3. Step 3: Cross multiply
    21,151.94x = 29,166.08 × 14,441.09
  4. Step 4: Simplify right side
    21,151.94x = 421,189,768.19
  5. Step 5: Solve for x
    x = 421,189,768.19/21,151.94
  6. Step 6: Final answer
    x = 19,912.59

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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.