Home / 18,488.37-25,513.94-10,104.87

Finding the Fourth Proportional to 18,488.37, 25,513.94 and 10,104.87

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Solution

The fourth proportional to 18,488.37, 25,513.94 and 10,104.87 is: 13,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.37 : 25,513.94 = 10,104.87 : x
  2. Step 2: Convert to fraction form
    18,488.37/25,513.94 = 10,104.87/x
  3. Step 3: Cross multiply
    18,488.37x = 25,513.94 × 10,104.87
  4. Step 4: Simplify right side
    18,488.37x = 257,814,868.79
  5. Step 5: Solve for x
    x = 257,814,868.79/18,488.37
  6. Step 6: Final answer
    x = 13,944.71

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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.