Home / 12,790.99-19,175.19-4,994.35

Finding the Fourth Proportional to 12,790.99, 19,175.19 and 4,994.35

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Solution

The fourth proportional to 12,790.99, 19,175.19 and 4,994.35 is: 7,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.99 : 19,175.19 = 4,994.35 : x
  2. Step 2: Convert to fraction form
    12,790.99/19,175.19 = 4,994.35/x
  3. Step 3: Cross multiply
    12,790.99x = 19,175.19 × 4,994.35
  4. Step 4: Simplify right side
    12,790.99x = 95,767,610.18
  5. Step 5: Solve for x
    x = 95,767,610.18/12,790.99
  6. Step 6: Final answer
    x = 7,487.11

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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.