Home / 12,845.96-19,242.06-11,287.88

Finding the Fourth Proportional to 12,845.96, 19,242.06 and 11,287.88

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Solution

The fourth proportional to 12,845.96, 19,242.06 and 11,287.88 is: 16,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.96 : 19,242.06 = 11,287.88 : x
  2. Step 2: Convert to fraction form
    12,845.96/19,242.06 = 11,287.88/x
  3. Step 3: Cross multiply
    12,845.96x = 19,242.06 × 11,287.88
  4. Step 4: Simplify right side
    12,845.96x = 217,202,064.23
  5. Step 5: Solve for x
    x = 217,202,064.23/12,845.96
  6. Step 6: Final answer
    x = 16,908.20

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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.