Home / 18,325.44-25,289.10-9,941.94

Finding the Fourth Proportional to 18,325.44, 25,289.10 and 9,941.94

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Solution

The fourth proportional to 18,325.44, 25,289.10 and 9,941.94 is: 13,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.44 : 25,289.10 = 9,941.94 : x
  2. Step 2: Convert to fraction form
    18,325.44/25,289.10 = 9,941.94/x
  3. Step 3: Cross multiply
    18,325.44x = 25,289.10 × 9,941.94
  4. Step 4: Simplify right side
    18,325.44x = 251,422,714.85
  5. Step 5: Solve for x
    x = 251,422,714.85/18,325.44
  6. Step 6: Final answer
    x = 13,719.87

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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.