Home / 14,546.76-20,074.08-8,578.80

Finding the Fourth Proportional to 14,546.76, 20,074.08 and 8,578.80

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Solution

The fourth proportional to 14,546.76, 20,074.08 and 8,578.80 is: 11,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.76 : 20,074.08 = 8,578.80 : x
  2. Step 2: Convert to fraction form
    14,546.76/20,074.08 = 8,578.80/x
  3. Step 3: Cross multiply
    14,546.76x = 20,074.08 × 8,578.80
  4. Step 4: Simplify right side
    14,546.76x = 172,211,517.50
  5. Step 5: Solve for x
    x = 172,211,517.50/14,546.76
  6. Step 6: Final answer
    x = 11,838.48

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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.