Home / 11,485.60-17,230.96-6,290.08

Finding the Fourth Proportional to 11,485.60, 17,230.96 and 6,290.08

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Solution

The fourth proportional to 11,485.60, 17,230.96 and 6,290.08 is: 9,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.60 : 17,230.96 = 6,290.08 : x
  2. Step 2: Convert to fraction form
    11,485.60/17,230.96 = 6,290.08/x
  3. Step 3: Cross multiply
    11,485.60x = 17,230.96 × 6,290.08
  4. Step 4: Simplify right side
    11,485.60x = 108,384,116.88
  5. Step 5: Solve for x
    x = 108,384,116.88/11,485.60
  6. Step 6: Final answer
    x = 9,436.52

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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.