Home / 14,297.68-21,471.06-8,783.44

Finding the Fourth Proportional to 14,297.68, 21,471.06 and 8,783.44

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Solution

The fourth proportional to 14,297.68, 21,471.06 and 8,783.44 is: 13,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.68 : 21,471.06 = 8,783.44 : x
  2. Step 2: Convert to fraction form
    14,297.68/21,471.06 = 8,783.44/x
  3. Step 3: Cross multiply
    14,297.68x = 21,471.06 × 8,783.44
  4. Step 4: Simplify right side
    14,297.68x = 188,589,767.25
  5. Step 5: Solve for x
    x = 188,589,767.25/14,297.68
  6. Step 6: Final answer
    x = 13,190.24

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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.