Home / 13,773.44-19,007.54-8,108.20

Finding the Fourth Proportional to 13,773.44, 19,007.54 and 8,108.20

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Solution

The fourth proportional to 13,773.44, 19,007.54 and 8,108.20 is: 11,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.44 : 19,007.54 = 8,108.20 : x
  2. Step 2: Convert to fraction form
    13,773.44/19,007.54 = 8,108.20/x
  3. Step 3: Cross multiply
    13,773.44x = 19,007.54 × 8,108.20
  4. Step 4: Simplify right side
    13,773.44x = 154,116,926.65
  5. Step 5: Solve for x
    x = 154,116,926.65/13,773.44
  6. Step 6: Final answer
    x = 11,189.43

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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.