Home / 8,999.46-13,481.28-5,485.14

Finding the Fourth Proportional to 8,999.46, 13,481.28 and 5,485.14

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Solution

The fourth proportional to 8,999.46, 13,481.28 and 5,485.14 is: 8,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.46 : 13,481.28 = 5,485.14 : x
  2. Step 2: Convert to fraction form
    8,999.46/13,481.28 = 5,485.14/x
  3. Step 3: Cross multiply
    8,999.46x = 13,481.28 × 5,485.14
  4. Step 4: Simplify right side
    8,999.46x = 73,946,708.18
  5. Step 5: Solve for x
    x = 73,946,708.18/8,999.46
  6. Step 6: Final answer
    x = 8,216.79

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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.