Home / 19,031.54-28,546.76-8,511.26

Finding the Fourth Proportional to 19,031.54, 28,546.76 and 8,511.26

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Solution

The fourth proportional to 19,031.54, 28,546.76 and 8,511.26 is: 12,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.54 : 28,546.76 = 8,511.26 : x
  2. Step 2: Convert to fraction form
    19,031.54/28,546.76 = 8,511.26/x
  3. Step 3: Cross multiply
    19,031.54x = 28,546.76 × 8,511.26
  4. Step 4: Simplify right side
    19,031.54x = 242,968,896.52
  5. Step 5: Solve for x
    x = 242,968,896.52/19,031.54
  6. Step 6: Final answer
    x = 12,766.64

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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.