Home / 12,816.24-19,234.08-8,865.06

Finding the Fourth Proportional to 12,816.24, 19,234.08 and 8,865.06

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Solution

The fourth proportional to 12,816.24, 19,234.08 and 8,865.06 is: 13,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.24 : 19,234.08 = 8,865.06 : x
  2. Step 2: Convert to fraction form
    12,816.24/19,234.08 = 8,865.06/x
  3. Step 3: Cross multiply
    12,816.24x = 19,234.08 × 8,865.06
  4. Step 4: Simplify right side
    12,816.24x = 170,511,273.24
  5. Step 5: Solve for x
    x = 170,511,273.24/12,816.24
  6. Step 6: Final answer
    x = 13,304.31

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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.