Home / 13,043.32-17,999.67-7,379.17

Finding the Fourth Proportional to 13,043.32, 17,999.67 and 7,379.17

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Solution

The fourth proportional to 13,043.32, 17,999.67 and 7,379.17 is: 10,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.32 : 17,999.67 = 7,379.17 : x
  2. Step 2: Convert to fraction form
    13,043.32/17,999.67 = 7,379.17/x
  3. Step 3: Cross multiply
    13,043.32x = 17,999.67 × 7,379.17
  4. Step 4: Simplify right side
    13,043.32x = 132,822,624.87
  5. Step 5: Solve for x
    x = 132,822,624.87/13,043.32
  6. Step 6: Final answer
    x = 10,183.19

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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.