Home / 14,118.26-21,149.15-8,492.83

Finding the Fourth Proportional to 14,118.26, 21,149.15 and 8,492.83

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Solution

The fourth proportional to 14,118.26, 21,149.15 and 8,492.83 is: 12,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.26 : 21,149.15 = 8,492.83 : x
  2. Step 2: Convert to fraction form
    14,118.26/21,149.15 = 8,492.83/x
  3. Step 3: Cross multiply
    14,118.26x = 21,149.15 × 8,492.83
  4. Step 4: Simplify right side
    14,118.26x = 179,616,103.95
  5. Step 5: Solve for x
    x = 179,616,103.95/14,118.26
  6. Step 6: Final answer
    x = 12,722.26

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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.