Home / 21,094.93-29,109.80-11,662.88

Finding the Fourth Proportional to 21,094.93, 29,109.80 and 11,662.88

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Solution

The fourth proportional to 21,094.93, 29,109.80 and 11,662.88 is: 16,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.93 : 29,109.80 = 11,662.88 : x
  2. Step 2: Convert to fraction form
    21,094.93/29,109.80 = 11,662.88/x
  3. Step 3: Cross multiply
    21,094.93x = 29,109.80 × 11,662.88
  4. Step 4: Simplify right side
    21,094.93x = 339,504,045.91
  5. Step 5: Solve for x
    x = 339,504,045.91/21,094.93
  6. Step 6: Final answer
    x = 16,094.11

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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.