Home / 13,618.69-18,794.60-10,255.57

Finding the Fourth Proportional to 13,618.69, 18,794.60 and 10,255.57

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Solution

The fourth proportional to 13,618.69, 18,794.60 and 10,255.57 is: 14,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.69 : 18,794.60 = 10,255.57 : x
  2. Step 2: Convert to fraction form
    13,618.69/18,794.60 = 10,255.57/x
  3. Step 3: Cross multiply
    13,618.69x = 18,794.60 × 10,255.57
  4. Step 4: Simplify right side
    13,618.69x = 192,749,284.64
  5. Step 5: Solve for x
    x = 192,749,284.64/13,618.69
  6. Step 6: Final answer
    x = 14,153.29

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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.