Home / 15,496.80-23,245.20-8,919.60

Finding the Fourth Proportional to 15,496.80, 23,245.20 and 8,919.60

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Solution

The fourth proportional to 15,496.80, 23,245.20 and 8,919.60 is: 13,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,496.80 : 23,245.20 = 8,919.60 : x
  2. Step 2: Convert to fraction form
    15,496.80/23,245.20 = 8,919.60/x
  3. Step 3: Cross multiply
    15,496.80x = 23,245.20 × 8,919.60
  4. Step 4: Simplify right side
    15,496.80x = 207,337,885.92
  5. Step 5: Solve for x
    x = 207,337,885.92/15,496.80
  6. Step 6: Final answer
    x = 13,379.40

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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.