Home / 13,958.78-19,268.20-9,244.58

Finding the Fourth Proportional to 13,958.78, 19,268.20 and 9,244.58

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Solution

The fourth proportional to 13,958.78, 19,268.20 and 9,244.58 is: 12,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.78 : 19,268.20 = 9,244.58 : x
  2. Step 2: Convert to fraction form
    13,958.78/19,268.20 = 9,244.58/x
  3. Step 3: Cross multiply
    13,958.78x = 19,268.20 × 9,244.58
  4. Step 4: Simplify right side
    13,958.78x = 178,126,416.36
  5. Step 5: Solve for x
    x = 178,126,416.36/13,958.78
  6. Step 6: Final answer
    x = 12,760.89

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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.