Home / 12,584.35-18,882.60-8,878.60

Finding the Fourth Proportional to 12,584.35, 18,882.60 and 8,878.60

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Solution

The fourth proportional to 12,584.35, 18,882.60 and 8,878.60 is: 13,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.35 : 18,882.60 = 8,878.60 : x
  2. Step 2: Convert to fraction form
    12,584.35/18,882.60 = 8,878.60/x
  3. Step 3: Cross multiply
    12,584.35x = 18,882.60 × 8,878.60
  4. Step 4: Simplify right side
    12,584.35x = 167,651,052.36
  5. Step 5: Solve for x
    x = 167,651,052.36/12,584.35
  6. Step 6: Final answer
    x = 13,322.19

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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.