Home / 14,910.30-20,578.74-8,626.32

Finding the Fourth Proportional to 14,910.30, 20,578.74 and 8,626.32

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Solution

The fourth proportional to 14,910.30, 20,578.74 and 8,626.32 is: 11,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.30 : 20,578.74 = 8,626.32 : x
  2. Step 2: Convert to fraction form
    14,910.30/20,578.74 = 8,626.32/x
  3. Step 3: Cross multiply
    14,910.30x = 20,578.74 × 8,626.32
  4. Step 4: Simplify right side
    14,910.30x = 177,518,796.44
  5. Step 5: Solve for x
    x = 177,518,796.44/14,910.30
  6. Step 6: Final answer
    x = 11,905.78

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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.