Home / 18,286.55-25,235.07-10,220.27

Finding the Fourth Proportional to 18,286.55, 25,235.07 and 10,220.27

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Solution

The fourth proportional to 18,286.55, 25,235.07 and 10,220.27 is: 14,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.55 : 25,235.07 = 10,220.27 : x
  2. Step 2: Convert to fraction form
    18,286.55/25,235.07 = 10,220.27/x
  3. Step 3: Cross multiply
    18,286.55x = 25,235.07 × 10,220.27
  4. Step 4: Simplify right side
    18,286.55x = 257,909,228.87
  5. Step 5: Solve for x
    x = 257,909,228.87/18,286.55
  6. Step 6: Final answer
    x = 14,103.77

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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.