Home / 13,958.21-20,917.58-10,823.64

Finding the Fourth Proportional to 13,958.21, 20,917.58 and 10,823.64

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Solution

The fourth proportional to 13,958.21, 20,917.58 and 10,823.64 is: 16,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.21 : 20,917.58 = 10,823.64 : x
  2. Step 2: Convert to fraction form
    13,958.21/20,917.58 = 10,823.64/x
  3. Step 3: Cross multiply
    13,958.21x = 20,917.58 × 10,823.64
  4. Step 4: Simplify right side
    13,958.21x = 226,404,301.47
  5. Step 5: Solve for x
    x = 226,404,301.47/13,958.21
  6. Step 6: Final answer
    x = 16,220.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.