Home / 21,996.08-30,352.92-12,563.36

Finding the Fourth Proportional to 21,996.08, 30,352.92 and 12,563.36

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Solution

The fourth proportional to 21,996.08, 30,352.92 and 12,563.36 is: 17,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.08 : 30,352.92 = 12,563.36 : x
  2. Step 2: Convert to fraction form
    21,996.08/30,352.92 = 12,563.36/x
  3. Step 3: Cross multiply
    21,996.08x = 30,352.92 × 12,563.36
  4. Step 4: Simplify right side
    21,996.08x = 381,334,661.01
  5. Step 5: Solve for x
    x = 381,334,661.01/21,996.08
  6. Step 6: Final answer
    x = 17,336.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.