Home / 13,861.25-20,786.77-4,498.86

Finding the Fourth Proportional to 13,861.25, 20,786.77 and 4,498.86

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Solution

The fourth proportional to 13,861.25, 20,786.77 and 4,498.86 is: 6,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.25 : 20,786.77 = 4,498.86 : x
  2. Step 2: Convert to fraction form
    13,861.25/20,786.77 = 4,498.86/x
  3. Step 3: Cross multiply
    13,861.25x = 20,786.77 × 4,498.86
  4. Step 4: Simplify right side
    13,861.25x = 93,516,768.08
  5. Step 5: Solve for x
    x = 93,516,768.08/13,861.25
  6. Step 6: Final answer
    x = 6,746.63

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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.