Home / 18,636.94-25,718.56-10,683.86

Finding the Fourth Proportional to 18,636.94, 25,718.56 and 10,683.86

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Solution

The fourth proportional to 18,636.94, 25,718.56 and 10,683.86 is: 14,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.94 : 25,718.56 = 10,683.86 : x
  2. Step 2: Convert to fraction form
    18,636.94/25,718.56 = 10,683.86/x
  3. Step 3: Cross multiply
    18,636.94x = 25,718.56 × 10,683.86
  4. Step 4: Simplify right side
    18,636.94x = 274,773,494.44
  5. Step 5: Solve for x
    x = 274,773,494.44/18,636.94
  6. Step 6: Final answer
    x = 14,743.49

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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.