Home / 14,660.30-20,229.90-8,609.60

Finding the Fourth Proportional to 14,660.30, 20,229.90 and 8,609.60

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Solution

The fourth proportional to 14,660.30, 20,229.90 and 8,609.60 is: 11,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.30 : 20,229.90 = 8,609.60 : x
  2. Step 2: Convert to fraction form
    14,660.30/20,229.90 = 8,609.60/x
  3. Step 3: Cross multiply
    14,660.30x = 20,229.90 × 8,609.60
  4. Step 4: Simplify right side
    14,660.30x = 174,171,347.04
  5. Step 5: Solve for x
    x = 174,171,347.04/14,660.30
  6. Step 6: Final answer
    x = 11,880.48

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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.