Home / 14,106.20-19,466.04-8,138.12

Finding the Fourth Proportional to 14,106.20, 19,466.04 and 8,138.12

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Solution

The fourth proportional to 14,106.20, 19,466.04 and 8,138.12 is: 11,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.20 : 19,466.04 = 8,138.12 : x
  2. Step 2: Convert to fraction form
    14,106.20/19,466.04 = 8,138.12/x
  3. Step 3: Cross multiply
    14,106.20x = 19,466.04 × 8,138.12
  4. Step 4: Simplify right side
    14,106.20x = 158,416,969.44
  5. Step 5: Solve for x
    x = 158,416,969.44/14,106.20
  6. Step 6: Final answer
    x = 11,230.31

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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.