Home / 12,736.08-19,083.04-4,940.64

Finding the Fourth Proportional to 12,736.08, 19,083.04 and 4,940.64

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Solution

The fourth proportional to 12,736.08, 19,083.04 and 4,940.64 is: 7,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.08 : 19,083.04 = 4,940.64 : x
  2. Step 2: Convert to fraction form
    12,736.08/19,083.04 = 4,940.64/x
  3. Step 3: Cross multiply
    12,736.08x = 19,083.04 × 4,940.64
  4. Step 4: Simplify right side
    12,736.08x = 94,282,430.75
  5. Step 5: Solve for x
    x = 94,282,430.75/12,736.08
  6. Step 6: Final answer
    x = 7,402.78

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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.