Home / 18,245.76-25,177.64-10,289.94

Finding the Fourth Proportional to 18,245.76, 25,177.64 and 10,289.94

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Solution

The fourth proportional to 18,245.76, 25,177.64 and 10,289.94 is: 14,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.76 : 25,177.64 = 10,289.94 : x
  2. Step 2: Convert to fraction form
    18,245.76/25,177.64 = 10,289.94/x
  3. Step 3: Cross multiply
    18,245.76x = 25,177.64 × 10,289.94
  4. Step 4: Simplify right side
    18,245.76x = 259,076,404.94
  5. Step 5: Solve for x
    x = 259,076,404.94/18,245.76
  6. Step 6: Final answer
    x = 14,199.27

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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.