Home / 13,621.25-18,792.65-8,847.16

Finding the Fourth Proportional to 13,621.25, 18,792.65 and 8,847.16

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Solution

The fourth proportional to 13,621.25, 18,792.65 and 8,847.16 is: 12,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621.25 : 18,792.65 = 8,847.16 : x
  2. Step 2: Convert to fraction form
    13,621.25/18,792.65 = 8,847.16/x
  3. Step 3: Cross multiply
    13,621.25x = 18,792.65 × 8,847.16
  4. Step 4: Simplify right side
    13,621.25x = 166,261,644.44
  5. Step 5: Solve for x
    x = 166,261,644.44/13,621.25
  6. Step 6: Final answer
    x = 12,206.05

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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.