Home / 14,727.36-20,317.06-8,755.64

Finding the Fourth Proportional to 14,727.36, 20,317.06 and 8,755.64

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Solution

The fourth proportional to 14,727.36, 20,317.06 and 8,755.64 is: 12,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.36 : 20,317.06 = 8,755.64 : x
  2. Step 2: Convert to fraction form
    14,727.36/20,317.06 = 8,755.64/x
  3. Step 3: Cross multiply
    14,727.36x = 20,317.06 × 8,755.64
  4. Step 4: Simplify right side
    14,727.36x = 177,888,863.22
  5. Step 5: Solve for x
    x = 177,888,863.22/14,727.36
  6. Step 6: Final answer
    x = 12,078.80

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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.