Home / 14,318.10-21,453.66-13,771.35

Finding the Fourth Proportional to 14,318.10, 21,453.66 and 13,771.35

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Solution

The fourth proportional to 14,318.10, 21,453.66 and 13,771.35 is: 20,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.10 : 21,453.66 = 13,771.35 : x
  2. Step 2: Convert to fraction form
    14,318.10/21,453.66 = 13,771.35/x
  3. Step 3: Cross multiply
    14,318.10x = 21,453.66 × 13,771.35
  4. Step 4: Simplify right side
    14,318.10x = 295,445,860.64
  5. Step 5: Solve for x
    x = 295,445,860.64/14,318.10
  6. Step 6: Final answer
    x = 20,634.43

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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.