Home / 9,396.80-14,090.88-2,821.62

Finding the Fourth Proportional to 9,396.80, 14,090.88 and 2,821.62

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Solution

The fourth proportional to 9,396.80, 14,090.88 and 2,821.62 is: 4,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.80 : 14,090.88 = 2,821.62 : x
  2. Step 2: Convert to fraction form
    9,396.80/14,090.88 = 2,821.62/x
  3. Step 3: Cross multiply
    9,396.80x = 14,090.88 × 2,821.62
  4. Step 4: Simplify right side
    9,396.80x = 39,759,108.83
  5. Step 5: Solve for x
    x = 39,759,108.83/9,396.80
  6. Step 6: Final answer
    x = 4,231.14

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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.