Home / 12,703.65-19,056.02-3,938.73

Finding the Fourth Proportional to 12,703.65, 19,056.02 and 3,938.73

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Solution

The fourth proportional to 12,703.65, 19,056.02 and 3,938.73 is: 5,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.65 : 19,056.02 = 3,938.73 : x
  2. Step 2: Convert to fraction form
    12,703.65/19,056.02 = 3,938.73/x
  3. Step 3: Cross multiply
    12,703.65x = 19,056.02 × 3,938.73
  4. Step 4: Simplify right side
    12,703.65x = 75,056,497.96
  5. Step 5: Solve for x
    x = 75,056,497.96/12,703.65
  6. Step 6: Final answer
    x = 5,908.26

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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.