Home / 12,941.08-19,411.62-5,149.96

Finding the Fourth Proportional to 12,941.08, 19,411.62 and 5,149.96

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Solution

The fourth proportional to 12,941.08, 19,411.62 and 5,149.96 is: 7,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.08 : 19,411.62 = 5,149.96 : x
  2. Step 2: Convert to fraction form
    12,941.08/19,411.62 = 5,149.96/x
  3. Step 3: Cross multiply
    12,941.08x = 19,411.62 × 5,149.96
  4. Step 4: Simplify right side
    12,941.08x = 99,969,066.54
  5. Step 5: Solve for x
    x = 99,969,066.54/12,941.08
  6. Step 6: Final answer
    x = 7,724.94

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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.