Home / 13,306.88-19,960.38-3,445.46

Finding the Fourth Proportional to 13,306.88, 19,960.38 and 3,445.46

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Solution

The fourth proportional to 13,306.88, 19,960.38 and 3,445.46 is: 5,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.88 : 19,960.38 = 3,445.46 : x
  2. Step 2: Convert to fraction form
    13,306.88/19,960.38 = 3,445.46/x
  3. Step 3: Cross multiply
    13,306.88x = 19,960.38 × 3,445.46
  4. Step 4: Simplify right side
    13,306.88x = 68,772,690.87
  5. Step 5: Solve for x
    x = 68,772,690.87/13,306.88
  6. Step 6: Final answer
    x = 5,168.21

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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.