Home / 12,136.45-16,744.26-9,894.46

Finding the Fourth Proportional to 12,136.45, 16,744.26 and 9,894.46

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Solution

The fourth proportional to 12,136.45, 16,744.26 and 9,894.46 is: 13,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.45 : 16,744.26 = 9,894.46 : x
  2. Step 2: Convert to fraction form
    12,136.45/16,744.26 = 9,894.46/x
  3. Step 3: Cross multiply
    12,136.45x = 16,744.26 × 9,894.46
  4. Step 4: Simplify right side
    12,136.45x = 165,675,410.80
  5. Step 5: Solve for x
    x = 165,675,410.80/12,136.45
  6. Step 6: Final answer
    x = 13,651.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.