Home / 12,788.86-19,181.67-5,003.14

Finding the Fourth Proportional to 12,788.86, 19,181.67 and 5,003.14

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Solution

The fourth proportional to 12,788.86, 19,181.67 and 5,003.14 is: 7,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.86 : 19,181.67 = 5,003.14 : x
  2. Step 2: Convert to fraction form
    12,788.86/19,181.67 = 5,003.14/x
  3. Step 3: Cross multiply
    12,788.86x = 19,181.67 × 5,003.14
  4. Step 4: Simplify right side
    12,788.86x = 95,968,580.44
  5. Step 5: Solve for x
    x = 95,968,580.44/12,788.86
  6. Step 6: Final answer
    x = 7,504.08

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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.