Home / 11,823.36-16,295.76-8,989.44

Finding the Fourth Proportional to 11,823.36, 16,295.76 and 8,989.44

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Solution

The fourth proportional to 11,823.36, 16,295.76 and 8,989.44 is: 12,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.36 : 16,295.76 = 8,989.44 : x
  2. Step 2: Convert to fraction form
    11,823.36/16,295.76 = 8,989.44/x
  3. Step 3: Cross multiply
    11,823.36x = 16,295.76 × 8,989.44
  4. Step 4: Simplify right side
    11,823.36x = 146,489,756.77
  5. Step 5: Solve for x
    x = 146,489,756.77/11,823.36
  6. Step 6: Final answer
    x = 12,389.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.