Home / 12,775.08-19,162.64-4,012.48

Finding the Fourth Proportional to 12,775.08, 19,162.64 and 4,012.48

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Solution

The fourth proportional to 12,775.08, 19,162.64 and 4,012.48 is: 6,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.08 : 19,162.64 = 4,012.48 : x
  2. Step 2: Convert to fraction form
    12,775.08/19,162.64 = 4,012.48/x
  3. Step 3: Cross multiply
    12,775.08x = 19,162.64 × 4,012.48
  4. Step 4: Simplify right side
    12,775.08x = 76,889,709.75
  5. Step 5: Solve for x
    x = 76,889,709.75/12,775.08
  6. Step 6: Final answer
    x = 6,018.73

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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.