Home / 16,987.36-25,469.41-8,651.24

Finding the Fourth Proportional to 16,987.36, 25,469.41 and 8,651.24

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Solution

The fourth proportional to 16,987.36, 25,469.41 and 8,651.24 is: 12,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.36 : 25,469.41 = 8,651.24 : x
  2. Step 2: Convert to fraction form
    16,987.36/25,469.41 = 8,651.24/x
  3. Step 3: Cross multiply
    16,987.36x = 25,469.41 × 8,651.24
  4. Step 4: Simplify right side
    16,987.36x = 220,341,978.57
  5. Step 5: Solve for x
    x = 220,341,978.57/16,987.36
  6. Step 6: Final answer
    x = 12,970.94

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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.