Home / 12,984.51-19,470.60-6,738.27

Finding the Fourth Proportional to 12,984.51, 19,470.60 and 6,738.27

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Solution

The fourth proportional to 12,984.51, 19,470.60 and 6,738.27 is: 10,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.51 : 19,470.60 = 6,738.27 : x
  2. Step 2: Convert to fraction form
    12,984.51/19,470.60 = 6,738.27/x
  3. Step 3: Cross multiply
    12,984.51x = 19,470.60 × 6,738.27
  4. Step 4: Simplify right side
    12,984.51x = 131,198,159.86
  5. Step 5: Solve for x
    x = 131,198,159.86/12,984.51
  6. Step 6: Final answer
    x = 10,104.21

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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.