Home / 14,383.36-19,874.78-11,204.86

Finding the Fourth Proportional to 14,383.36, 19,874.78 and 11,204.86

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Solution

The fourth proportional to 14,383.36, 19,874.78 and 11,204.86 is: 15,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.36 : 19,874.78 = 11,204.86 : x
  2. Step 2: Convert to fraction form
    14,383.36/19,874.78 = 11,204.86/x
  3. Step 3: Cross multiply
    14,383.36x = 19,874.78 × 11,204.86
  4. Step 4: Simplify right side
    14,383.36x = 222,694,186.63
  5. Step 5: Solve for x
    x = 222,694,186.63/14,383.36
  6. Step 6: Final answer
    x = 15,482.77

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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.