Home / 18,827.78-25,982.37-10,329.98

Finding the Fourth Proportional to 18,827.78, 25,982.37 and 10,329.98

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Solution

The fourth proportional to 18,827.78, 25,982.37 and 10,329.98 is: 14,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.78 : 25,982.37 = 10,329.98 : x
  2. Step 2: Convert to fraction form
    18,827.78/25,982.37 = 10,329.98/x
  3. Step 3: Cross multiply
    18,827.78x = 25,982.37 × 10,329.98
  4. Step 4: Simplify right side
    18,827.78x = 268,397,232.54
  5. Step 5: Solve for x
    x = 268,397,232.54/18,827.78
  6. Step 6: Final answer
    x = 14,255.39

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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.