Home / 18,202.10-25,117.82-10,243.86

Finding the Fourth Proportional to 18,202.10, 25,117.82 and 10,243.86

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Solution

The fourth proportional to 18,202.10, 25,117.82 and 10,243.86 is: 14,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.10 : 25,117.82 = 10,243.86 : x
  2. Step 2: Convert to fraction form
    18,202.10/25,117.82 = 10,243.86/x
  3. Step 3: Cross multiply
    18,202.10x = 25,117.82 × 10,243.86
  4. Step 4: Simplify right side
    18,202.10x = 257,303,431.59
  5. Step 5: Solve for x
    x = 257,303,431.59/18,202.10
  6. Step 6: Final answer
    x = 14,135.92

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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.