Home / 12,771.06-19,157.19-5,743.50

Finding the Fourth Proportional to 12,771.06, 19,157.19 and 5,743.50

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Solution

The fourth proportional to 12,771.06, 19,157.19 and 5,743.50 is: 8,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.06 : 19,157.19 = 5,743.50 : x
  2. Step 2: Convert to fraction form
    12,771.06/19,157.19 = 5,743.50/x
  3. Step 3: Cross multiply
    12,771.06x = 19,157.19 × 5,743.50
  4. Step 4: Simplify right side
    12,771.06x = 110,029,320.77
  5. Step 5: Solve for x
    x = 110,029,320.77/12,771.06
  6. Step 6: Final answer
    x = 8,615.52

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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.