Home / 13,333.14-18,399.42-7,364.34

Finding the Fourth Proportional to 13,333.14, 18,399.42 and 7,364.34

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Solution

The fourth proportional to 13,333.14, 18,399.42 and 7,364.34 is: 10,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.14 : 18,399.42 = 7,364.34 : x
  2. Step 2: Convert to fraction form
    13,333.14/18,399.42 = 7,364.34/x
  3. Step 3: Cross multiply
    13,333.14x = 18,399.42 × 7,364.34
  4. Step 4: Simplify right side
    13,333.14x = 135,499,584.68
  5. Step 5: Solve for x
    x = 135,499,584.68/13,333.14
  6. Step 6: Final answer
    x = 10,162.62

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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.