Home / 13,215.62-19,825.27-4,453.04

Finding the Fourth Proportional to 13,215.62, 19,825.27 and 4,453.04

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Solution

The fourth proportional to 13,215.62, 19,825.27 and 4,453.04 is: 6,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.62 : 19,825.27 = 4,453.04 : x
  2. Step 2: Convert to fraction form
    13,215.62/19,825.27 = 4,453.04/x
  3. Step 3: Cross multiply
    13,215.62x = 19,825.27 × 4,453.04
  4. Step 4: Simplify right side
    13,215.62x = 88,282,758.75
  5. Step 5: Solve for x
    x = 88,282,758.75/13,215.62
  6. Step 6: Final answer
    x = 6,680.18

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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.