Home / 18,163.32-25,064.69-10,205.88

Finding the Fourth Proportional to 18,163.32, 25,064.69 and 10,205.88

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Solution

The fourth proportional to 18,163.32, 25,064.69 and 10,205.88 is: 14,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.32 : 25,064.69 = 10,205.88 : x
  2. Step 2: Convert to fraction form
    18,163.32/25,064.69 = 10,205.88/x
  3. Step 3: Cross multiply
    18,163.32x = 25,064.69 × 10,205.88
  4. Step 4: Simplify right side
    18,163.32x = 255,807,167.35
  5. Step 5: Solve for x
    x = 255,807,167.35/18,163.32
  6. Step 6: Final answer
    x = 14,083.72

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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.