Home / 12,584.64-17,447.52-11,884.80

Finding the Fourth Proportional to 12,584.64, 17,447.52 and 11,884.80

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Solution

The fourth proportional to 12,584.64, 17,447.52 and 11,884.80 is: 16,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.64 : 17,447.52 = 11,884.80 : x
  2. Step 2: Convert to fraction form
    12,584.64/17,447.52 = 11,884.80/x
  3. Step 3: Cross multiply
    12,584.64x = 17,447.52 × 11,884.80
  4. Step 4: Simplify right side
    12,584.64x = 207,360,285.70
  5. Step 5: Solve for x
    x = 207,360,285.70/12,584.64
  6. Step 6: Final answer
    x = 16,477.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.