Home / 13,450.60-20,175.90-13,364.20

Finding the Fourth Proportional to 13,450.60, 20,175.90 and 13,364.20

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Solution

The fourth proportional to 13,450.60, 20,175.90 and 13,364.20 is: 20,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.60 : 20,175.90 = 13,364.20 : x
  2. Step 2: Convert to fraction form
    13,450.60/20,175.90 = 13,364.20/x
  3. Step 3: Cross multiply
    13,450.60x = 20,175.90 × 13,364.20
  4. Step 4: Simplify right side
    13,450.60x = 269,634,762.78
  5. Step 5: Solve for x
    x = 269,634,762.78/13,450.60
  6. Step 6: Final answer
    x = 20,046.30

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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.