Home / 15,511.73-23,230.47-8,481.20

Finding the Fourth Proportional to 15,511.73, 23,230.47 and 8,481.20

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Solution

The fourth proportional to 15,511.73, 23,230.47 and 8,481.20 is: 12,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.73 : 23,230.47 = 8,481.20 : x
  2. Step 2: Convert to fraction form
    15,511.73/23,230.47 = 8,481.20/x
  3. Step 3: Cross multiply
    15,511.73x = 23,230.47 × 8,481.20
  4. Step 4: Simplify right side
    15,511.73x = 197,022,262.16
  5. Step 5: Solve for x
    x = 197,022,262.16/15,511.73
  6. Step 6: Final answer
    x = 12,701.50

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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.