Home / 13,304.92-18,360.84-7,999.81

Finding the Fourth Proportional to 13,304.92, 18,360.84 and 7,999.81

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Solution

The fourth proportional to 13,304.92, 18,360.84 and 7,999.81 is: 11,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.92 : 18,360.84 = 7,999.81 : x
  2. Step 2: Convert to fraction form
    13,304.92/18,360.84 = 7,999.81/x
  3. Step 3: Cross multiply
    13,304.92x = 18,360.84 × 7,999.81
  4. Step 4: Simplify right side
    13,304.92x = 146,883,231.44
  5. Step 5: Solve for x
    x = 146,883,231.44/13,304.92
  6. Step 6: Final answer
    x = 11,039.77

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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.