Home / 17,563.54-26,305.75-12,321.90

Finding the Fourth Proportional to 17,563.54, 26,305.75 and 12,321.90

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Solution

The fourth proportional to 17,563.54, 26,305.75 and 12,321.90 is: 18,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,563.54 : 26,305.75 = 12,321.90 : x
  2. Step 2: Convert to fraction form
    17,563.54/26,305.75 = 12,321.90/x
  3. Step 3: Cross multiply
    17,563.54x = 26,305.75 × 12,321.90
  4. Step 4: Simplify right side
    17,563.54x = 324,136,820.93
  5. Step 5: Solve for x
    x = 324,136,820.93/17,563.54
  6. Step 6: Final answer
    x = 18,455.10

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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.