Home / 16,986.60-25,479.90-11,984.04

Finding the Fourth Proportional to 16,986.60, 25,479.90 and 11,984.04

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Solution

The fourth proportional to 16,986.60, 25,479.90 and 11,984.04 is: 17,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.60 : 25,479.90 = 11,984.04 : x
  2. Step 2: Convert to fraction form
    16,986.60/25,479.90 = 11,984.04/x
  3. Step 3: Cross multiply
    16,986.60x = 25,479.90 × 11,984.04
  4. Step 4: Simplify right side
    16,986.60x = 305,352,140.80
  5. Step 5: Solve for x
    x = 305,352,140.80/16,986.60
  6. Step 6: Final answer
    x = 17,976.06

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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.