Home / 13,687.04-20,563.44-8,766.24

Finding the Fourth Proportional to 13,687.04, 20,563.44 and 8,766.24

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Solution

The fourth proportional to 13,687.04, 20,563.44 and 8,766.24 is: 13,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687.04 : 20,563.44 = 8,766.24 : x
  2. Step 2: Convert to fraction form
    13,687.04/20,563.44 = 8,766.24/x
  3. Step 3: Cross multiply
    13,687.04x = 20,563.44 × 8,766.24
  4. Step 4: Simplify right side
    13,687.04x = 180,264,050.27
  5. Step 5: Solve for x
    x = 180,264,050.27/13,687.04
  6. Step 6: Final answer
    x = 13,170.42

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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.