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Finding the Fourth Proportional to 15,684.99, 23,529.53 and 8,289.73

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Solution

The fourth proportional to 15,684.99, 23,529.53 and 8,289.73 is: 12,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684.99 : 23,529.53 = 8,289.73 : x
  2. Step 2: Convert to fraction form
    15,684.99/23,529.53 = 8,289.73/x
  3. Step 3: Cross multiply
    15,684.99x = 23,529.53 × 8,289.73
  4. Step 4: Simplify right side
    15,684.99x = 195,053,450.73
  5. Step 5: Solve for x
    x = 195,053,450.73/15,684.99
  6. Step 6: Final answer
    x = 12,435.68

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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.