Home / 12,778.86-19,166.67-4,993.14

Finding the Fourth Proportional to 12,778.86, 19,166.67 and 4,993.14

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Solution

The fourth proportional to 12,778.86, 19,166.67 and 4,993.14 is: 7,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778.86 : 19,166.67 = 4,993.14 : x
  2. Step 2: Convert to fraction form
    12,778.86/19,166.67 = 4,993.14/x
  3. Step 3: Cross multiply
    12,778.86x = 19,166.67 × 4,993.14
  4. Step 4: Simplify right side
    12,778.86x = 95,701,866.64
  5. Step 5: Solve for x
    x = 95,701,866.64/12,778.86
  6. Step 6: Final answer
    x = 7,489.08

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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.