Home / 12,731.50-19,097.25-3,497.50

Finding the Fourth Proportional to 12,731.50, 19,097.25 and 3,497.50

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Solution

The fourth proportional to 12,731.50, 19,097.25 and 3,497.50 is: 5,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.50 : 19,097.25 = 3,497.50 : x
  2. Step 2: Convert to fraction form
    12,731.50/19,097.25 = 3,497.50/x
  3. Step 3: Cross multiply
    12,731.50x = 19,097.25 × 3,497.50
  4. Step 4: Simplify right side
    12,731.50x = 66,792,631.88
  5. Step 5: Solve for x
    x = 66,792,631.88/12,731.50
  6. Step 6: Final answer
    x = 5,246.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.