Home / 14,244.12-21,351.60-7,211.09

Finding the Fourth Proportional to 14,244.12, 21,351.60 and 7,211.09

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Solution

The fourth proportional to 14,244.12, 21,351.60 and 7,211.09 is: 10,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.12 : 21,351.60 = 7,211.09 : x
  2. Step 2: Convert to fraction form
    14,244.12/21,351.60 = 7,211.09/x
  3. Step 3: Cross multiply
    14,244.12x = 21,351.60 × 7,211.09
  4. Step 4: Simplify right side
    14,244.12x = 153,968,362.62
  5. Step 5: Solve for x
    x = 153,968,362.62/14,244.12
  6. Step 6: Final answer
    x = 10,809.26

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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.