Home / 13,314.24-19,972.35-3,453.57

Finding the Fourth Proportional to 13,314.24, 19,972.35 and 3,453.57

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Solution

The fourth proportional to 13,314.24, 19,972.35 and 3,453.57 is: 5,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.24 : 19,972.35 = 3,453.57 : x
  2. Step 2: Convert to fraction form
    13,314.24/19,972.35 = 3,453.57/x
  3. Step 3: Cross multiply
    13,314.24x = 19,972.35 × 3,453.57
  4. Step 4: Simplify right side
    13,314.24x = 68,975,908.79
  5. Step 5: Solve for x
    x = 68,975,908.79/13,314.24
  6. Step 6: Final answer
    x = 5,180.61

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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.