Home / 13,306.08-19,960.32-3,445.32

Finding the Fourth Proportional to 13,306.08, 19,960.32 and 3,445.32

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Solution

The fourth proportional to 13,306.08, 19,960.32 and 3,445.32 is: 5,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.08 : 19,960.32 = 3,445.32 : x
  2. Step 2: Convert to fraction form
    13,306.08/19,960.32 = 3,445.32/x
  3. Step 3: Cross multiply
    13,306.08x = 19,960.32 × 3,445.32
  4. Step 4: Simplify right side
    13,306.08x = 68,769,689.70
  5. Step 5: Solve for x
    x = 68,769,689.70/13,306.08
  6. Step 6: Final answer
    x = 5,168.29

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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.