Home / 14,090.30-19,400.36-11,961.42

Finding the Fourth Proportional to 14,090.30, 19,400.36 and 11,961.42

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Solution

The fourth proportional to 14,090.30, 19,400.36 and 11,961.42 is: 16,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.30 : 19,400.36 = 11,961.42 : x
  2. Step 2: Convert to fraction form
    14,090.30/19,400.36 = 11,961.42/x
  3. Step 3: Cross multiply
    14,090.30x = 19,400.36 × 11,961.42
  4. Step 4: Simplify right side
    14,090.30x = 232,055,897.96
  5. Step 5: Solve for x
    x = 232,055,897.96/14,090.30
  6. Step 6: Final answer
    x = 16,469.19

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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.