Home / 9,989.49-13,789.44-6,009.83

Finding the Fourth Proportional to 9,989.49, 13,789.44 and 6,009.83

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Solution

The fourth proportional to 9,989.49, 13,789.44 and 6,009.83 is: 8,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.49 : 13,789.44 = 6,009.83 : x
  2. Step 2: Convert to fraction form
    9,989.49/13,789.44 = 6,009.83/x
  3. Step 3: Cross multiply
    9,989.49x = 13,789.44 × 6,009.83
  4. Step 4: Simplify right side
    9,989.49x = 82,872,172.96
  5. Step 5: Solve for x
    x = 82,872,172.96/9,989.49
  6. Step 6: Final answer
    x = 8,295.93

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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.