Home / 15,601.76-23,408.49-8,100.64

Finding the Fourth Proportional to 15,601.76, 23,408.49 and 8,100.64

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Solution

The fourth proportional to 15,601.76, 23,408.49 and 8,100.64 is: 12,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.76 : 23,408.49 = 8,100.64 : x
  2. Step 2: Convert to fraction form
    15,601.76/23,408.49 = 8,100.64/x
  3. Step 3: Cross multiply
    15,601.76x = 23,408.49 × 8,100.64
  4. Step 4: Simplify right side
    15,601.76x = 189,623,651.41
  5. Step 5: Solve for x
    x = 189,623,651.41/15,601.76
  6. Step 6: Final answer
    x = 12,153.99

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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.