Home / 11,485.26-15,849.96-6,449.88

Finding the Fourth Proportional to 11,485.26, 15,849.96 and 6,449.88

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Solution

The fourth proportional to 11,485.26, 15,849.96 and 6,449.88 is: 8,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.26 : 15,849.96 = 6,449.88 : x
  2. Step 2: Convert to fraction form
    11,485.26/15,849.96 = 6,449.88/x
  3. Step 3: Cross multiply
    11,485.26x = 15,849.96 × 6,449.88
  4. Step 4: Simplify right side
    11,485.26x = 102,230,340.00
  5. Step 5: Solve for x
    x = 102,230,340.00/11,485.26
  6. Step 6: Final answer
    x = 8,901.00

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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.