Home / 11,025.80-16,554.90-8,563.40

Finding the Fourth Proportional to 11,025.80, 16,554.90 and 8,563.40

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Solution

The fourth proportional to 11,025.80, 16,554.90 and 8,563.40 is: 12,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.80 : 16,554.90 = 8,563.40 : x
  2. Step 2: Convert to fraction form
    11,025.80/16,554.90 = 8,563.40/x
  3. Step 3: Cross multiply
    11,025.80x = 16,554.90 × 8,563.40
  4. Step 4: Simplify right side
    11,025.80x = 141,766,230.66
  5. Step 5: Solve for x
    x = 141,766,230.66/11,025.80
  6. Step 6: Final answer
    x = 12,857.68

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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.