Home / 11,403.20-17,104.80-9,732.80

Finding the Fourth Proportional to 11,403.20, 17,104.80 and 9,732.80

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Solution

The fourth proportional to 11,403.20, 17,104.80 and 9,732.80 is: 14,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.20 : 17,104.80 = 9,732.80 : x
  2. Step 2: Convert to fraction form
    11,403.20/17,104.80 = 9,732.80/x
  3. Step 3: Cross multiply
    11,403.20x = 17,104.80 × 9,732.80
  4. Step 4: Simplify right side
    11,403.20x = 166,477,597.44
  5. Step 5: Solve for x
    x = 166,477,597.44/11,403.20
  6. Step 6: Final answer
    x = 14,599.20

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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.