Home / 19,271.44-28,889.40-6,784.66

Finding the Fourth Proportional to 19,271.44, 28,889.40 and 6,784.66

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Solution

The fourth proportional to 19,271.44, 28,889.40 and 6,784.66 is: 10,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.44 : 28,889.40 = 6,784.66 : x
  2. Step 2: Convert to fraction form
    19,271.44/28,889.40 = 6,784.66/x
  3. Step 3: Cross multiply
    19,271.44x = 28,889.40 × 6,784.66
  4. Step 4: Simplify right side
    19,271.44x = 196,004,756.60
  5. Step 5: Solve for x
    x = 196,004,756.60/19,271.44
  6. Step 6: Final answer
    x = 10,170.74

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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.