Home / 12,760.65-19,141.02-3,876.06

Finding the Fourth Proportional to 12,760.65, 19,141.02 and 3,876.06

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Solution

The fourth proportional to 12,760.65, 19,141.02 and 3,876.06 is: 5,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.65 : 19,141.02 = 3,876.06 : x
  2. Step 2: Convert to fraction form
    12,760.65/19,141.02 = 3,876.06/x
  3. Step 3: Cross multiply
    12,760.65x = 19,141.02 × 3,876.06
  4. Step 4: Simplify right side
    12,760.65x = 74,191,741.98
  5. Step 5: Solve for x
    x = 74,191,741.98/12,760.65
  6. Step 6: Final answer
    x = 5,814.10

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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.