Home / 13,880.01-20,799.39-8,326.86

Finding the Fourth Proportional to 13,880.01, 20,799.39 and 8,326.86

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Solution

The fourth proportional to 13,880.01, 20,799.39 and 8,326.86 is: 12,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.01 : 20,799.39 = 8,326.86 : x
  2. Step 2: Convert to fraction form
    13,880.01/20,799.39 = 8,326.86/x
  3. Step 3: Cross multiply
    13,880.01x = 20,799.39 × 8,326.86
  4. Step 4: Simplify right side
    13,880.01x = 173,193,608.62
  5. Step 5: Solve for x
    x = 173,193,608.62/13,880.01
  6. Step 6: Final answer
    x = 12,477.92

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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.