Home / 13,220.62-19,824.80-4,900.30

Finding the Fourth Proportional to 13,220.62, 19,824.80 and 4,900.30

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Solution

The fourth proportional to 13,220.62, 19,824.80 and 4,900.30 is: 7,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220.62 : 19,824.80 = 4,900.30 : x
  2. Step 2: Convert to fraction form
    13,220.62/19,824.80 = 4,900.30/x
  3. Step 3: Cross multiply
    13,220.62x = 19,824.80 × 4,900.30
  4. Step 4: Simplify right side
    13,220.62x = 97,147,467.44
  5. Step 5: Solve for x
    x = 97,147,467.44/13,220.62
  6. Step 6: Final answer
    x = 7,348.18

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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.