Home / 12,795.76-19,193.62-4,999.11

Finding the Fourth Proportional to 12,795.76, 19,193.62 and 4,999.11

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Solution

The fourth proportional to 12,795.76, 19,193.62 and 4,999.11 is: 7,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.76 : 19,193.62 = 4,999.11 : x
  2. Step 2: Convert to fraction form
    12,795.76/19,193.62 = 4,999.11/x
  3. Step 3: Cross multiply
    12,795.76x = 19,193.62 × 4,999.11
  4. Step 4: Simplify right side
    12,795.76x = 95,951,017.68
  5. Step 5: Solve for x
    x = 95,951,017.68/12,795.76
  6. Step 6: Final answer
    x = 7,498.66

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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.