Home / 11,485.49-15,846.17-6,449.02

Finding the Fourth Proportional to 11,485.49, 15,846.17 and 6,449.02

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Solution

The fourth proportional to 11,485.49, 15,846.17 and 6,449.02 is: 8,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.49 : 15,846.17 = 6,449.02 : x
  2. Step 2: Convert to fraction form
    11,485.49/15,846.17 = 6,449.02/x
  3. Step 3: Cross multiply
    11,485.49x = 15,846.17 × 6,449.02
  4. Step 4: Simplify right side
    11,485.49x = 102,192,195.39
  5. Step 5: Solve for x
    x = 102,192,195.39/11,485.49
  6. Step 6: Final answer
    x = 8,897.51

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Double scale
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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.