Home / 18,636.93-25,718.97-10,683.78

Finding the Fourth Proportional to 18,636.93, 25,718.97 and 10,683.78

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Solution

The fourth proportional to 18,636.93, 25,718.97 and 10,683.78 is: 14,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.93 : 25,718.97 = 10,683.78 : x
  2. Step 2: Convert to fraction form
    18,636.93/25,718.97 = 10,683.78/x
  3. Step 3: Cross multiply
    18,636.93x = 25,718.97 × 10,683.78
  4. Step 4: Simplify right side
    18,636.93x = 274,775,817.31
  5. Step 5: Solve for x
    x = 274,775,817.31/18,636.93
  6. Step 6: Final answer
    x = 14,743.62

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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.