Home / 12,908.82-19,362.08-4,023.78

Finding the Fourth Proportional to 12,908.82, 19,362.08 and 4,023.78

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Solution

The fourth proportional to 12,908.82, 19,362.08 and 4,023.78 is: 6,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.82 : 19,362.08 = 4,023.78 : x
  2. Step 2: Convert to fraction form
    12,908.82/19,362.08 = 4,023.78/x
  3. Step 3: Cross multiply
    12,908.82x = 19,362.08 × 4,023.78
  4. Step 4: Simplify right side
    12,908.82x = 77,908,750.26
  5. Step 5: Solve for x
    x = 77,908,750.26/12,908.82
  6. Step 6: Final answer
    x = 6,035.31

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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.