Home / 12,252.96-16,884.72-8,520.48

Finding the Fourth Proportional to 12,252.96, 16,884.72 and 8,520.48

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Solution

The fourth proportional to 12,252.96, 16,884.72 and 8,520.48 is: 11,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.96 : 16,884.72 = 8,520.48 : x
  2. Step 2: Convert to fraction form
    12,252.96/16,884.72 = 8,520.48/x
  3. Step 3: Cross multiply
    12,252.96x = 16,884.72 × 8,520.48
  4. Step 4: Simplify right side
    12,252.96x = 143,865,919.07
  5. Step 5: Solve for x
    x = 143,865,919.07/12,252.96
  6. Step 6: Final answer
    x = 11,741.32

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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.