Home / 18,145.15-25,040.21-10,187.37

Finding the Fourth Proportional to 18,145.15, 25,040.21 and 10,187.37

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Solution

The fourth proportional to 18,145.15, 25,040.21 and 10,187.37 is: 14,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.15 : 25,040.21 = 10,187.37 : x
  2. Step 2: Convert to fraction form
    18,145.15/25,040.21 = 10,187.37/x
  3. Step 3: Cross multiply
    18,145.15x = 25,040.21 × 10,187.37
  4. Step 4: Simplify right side
    18,145.15x = 255,093,833.21
  5. Step 5: Solve for x
    x = 255,093,833.21/18,145.15
  6. Step 6: Final answer
    x = 14,058.52

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Half scale
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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.