Home / 13,156.79-19,730.54-3,794.29

Finding the Fourth Proportional to 13,156.79, 19,730.54 and 3,794.29

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Solution

The fourth proportional to 13,156.79, 19,730.54 and 3,794.29 is: 5,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.79 : 19,730.54 = 3,794.29 : x
  2. Step 2: Convert to fraction form
    13,156.79/19,730.54 = 3,794.29/x
  3. Step 3: Cross multiply
    13,156.79x = 19,730.54 × 3,794.29
  4. Step 4: Simplify right side
    13,156.79x = 74,863,291.96
  5. Step 5: Solve for x
    x = 74,863,291.96/13,156.79
  6. Step 6: Final answer
    x = 5,690.09

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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.