Home / 14,019.48-19,383.84-13,399.83

Finding the Fourth Proportional to 14,019.48, 19,383.84 and 13,399.83

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Solution

The fourth proportional to 14,019.48, 19,383.84 and 13,399.83 is: 18,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.48 : 19,383.84 = 13,399.83 : x
  2. Step 2: Convert to fraction form
    14,019.48/19,383.84 = 13,399.83/x
  3. Step 3: Cross multiply
    14,019.48x = 19,383.84 × 13,399.83
  4. Step 4: Simplify right side
    14,019.48x = 259,740,160.75
  5. Step 5: Solve for x
    x = 259,740,160.75/14,019.48
  6. Step 6: Final answer
    x = 18,527.09

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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.