Home / 12,795.20-19,192.80-4,998.54

Finding the Fourth Proportional to 12,795.20, 19,192.80 and 4,998.54

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Solution

The fourth proportional to 12,795.20, 19,192.80 and 4,998.54 is: 7,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.20 : 19,192.80 = 4,998.54 : x
  2. Step 2: Convert to fraction form
    12,795.20/19,192.80 = 4,998.54/x
  3. Step 3: Cross multiply
    12,795.20x = 19,192.80 × 4,998.54
  4. Step 4: Simplify right side
    12,795.20x = 95,935,978.51
  5. Step 5: Solve for x
    x = 95,935,978.51/12,795.20
  6. Step 6: Final answer
    x = 7,497.81

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Double scale
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Similar ratio
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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.