Home / 12,511.46-17,260.44-7,205.15

Finding the Fourth Proportional to 12,511.46, 17,260.44 and 7,205.15

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Solution

The fourth proportional to 12,511.46, 17,260.44 and 7,205.15 is: 9,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.46 : 17,260.44 = 7,205.15 : x
  2. Step 2: Convert to fraction form
    12,511.46/17,260.44 = 7,205.15/x
  3. Step 3: Cross multiply
    12,511.46x = 17,260.44 × 7,205.15
  4. Step 4: Simplify right side
    12,511.46x = 124,364,059.27
  5. Step 5: Solve for x
    x = 124,364,059.27/12,511.46
  6. Step 6: Final answer
    x = 9,940.01

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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.