Home / 16,212.26-22,373.26-9,138.68

Finding the Fourth Proportional to 16,212.26, 22,373.26 and 9,138.68

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Solution

The fourth proportional to 16,212.26, 22,373.26 and 9,138.68 is: 12,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.26 : 22,373.26 = 9,138.68 : x
  2. Step 2: Convert to fraction form
    16,212.26/22,373.26 = 9,138.68/x
  3. Step 3: Cross multiply
    16,212.26x = 22,373.26 × 9,138.68
  4. Step 4: Simplify right side
    16,212.26x = 204,462,030.02
  5. Step 5: Solve for x
    x = 204,462,030.02/16,212.26
  6. Step 6: Final answer
    x = 12,611.57

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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.