Home / 12,199.70-18,263.91-11,032.39

Finding the Fourth Proportional to 12,199.70, 18,263.91 and 11,032.39

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Solution

The fourth proportional to 12,199.70, 18,263.91 and 11,032.39 is: 16,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.70 : 18,263.91 = 11,032.39 : x
  2. Step 2: Convert to fraction form
    12,199.70/18,263.91 = 11,032.39/x
  3. Step 3: Cross multiply
    12,199.70x = 18,263.91 × 11,032.39
  4. Step 4: Simplify right side
    12,199.70x = 201,494,578.04
  5. Step 5: Solve for x
    x = 201,494,578.04/12,199.70
  6. Step 6: Final answer
    x = 16,516.36

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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.