Home / 14,105.44-19,466.73-8,139.08

Finding the Fourth Proportional to 14,105.44, 19,466.73 and 8,139.08

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Solution

The fourth proportional to 14,105.44, 19,466.73 and 8,139.08 is: 11,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.44 : 19,466.73 = 8,139.08 : x
  2. Step 2: Convert to fraction form
    14,105.44/19,466.73 = 8,139.08/x
  3. Step 3: Cross multiply
    14,105.44x = 19,466.73 × 8,139.08
  4. Step 4: Simplify right side
    14,105.44x = 158,441,321.48
  5. Step 5: Solve for x
    x = 158,441,321.48/14,105.44
  6. Step 6: Final answer
    x = 11,232.64

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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.