Home / 18,511.32-25,546.23-10,127.82

Finding the Fourth Proportional to 18,511.32, 25,546.23 and 10,127.82

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Solution

The fourth proportional to 18,511.32, 25,546.23 and 10,127.82 is: 13,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.32 : 25,546.23 = 10,127.82 : x
  2. Step 2: Convert to fraction form
    18,511.32/25,546.23 = 10,127.82/x
  3. Step 3: Cross multiply
    18,511.32x = 25,546.23 × 10,127.82
  4. Step 4: Simplify right side
    18,511.32x = 258,727,619.12
  5. Step 5: Solve for x
    x = 258,727,619.12/18,511.32
  6. Step 6: Final answer
    x = 13,976.72

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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.