Home / 12,772.86-19,142.28-6,185.94

Finding the Fourth Proportional to 12,772.86, 19,142.28 and 6,185.94

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Solution

The fourth proportional to 12,772.86, 19,142.28 and 6,185.94 is: 9,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.86 : 19,142.28 = 6,185.94 : x
  2. Step 2: Convert to fraction form
    12,772.86/19,142.28 = 6,185.94/x
  3. Step 3: Cross multiply
    12,772.86x = 19,142.28 × 6,185.94
  4. Step 4: Simplify right side
    12,772.86x = 118,412,995.54
  5. Step 5: Solve for x
    x = 118,412,995.54/12,772.86
  6. Step 6: Final answer
    x = 9,270.67

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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.