Home / 21,313.44-31,968.42-6,522.48

Finding the Fourth Proportional to 21,313.44, 31,968.42 and 6,522.48

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Solution

The fourth proportional to 21,313.44, 31,968.42 and 6,522.48 is: 9,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,313.44 : 31,968.42 = 6,522.48 : x
  2. Step 2: Convert to fraction form
    21,313.44/31,968.42 = 6,522.48/x
  3. Step 3: Cross multiply
    21,313.44x = 31,968.42 × 6,522.48
  4. Step 4: Simplify right side
    21,313.44x = 208,513,380.08
  5. Step 5: Solve for x
    x = 208,513,380.08/21,313.44
  6. Step 6: Final answer
    x = 9,783.19

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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.