Home / 13,260.20-18,299.07-7,292.27

Finding the Fourth Proportional to 13,260.20, 18,299.07 and 7,292.27

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Solution

The fourth proportional to 13,260.20, 18,299.07 and 7,292.27 is: 10,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.20 : 18,299.07 = 7,292.27 : x
  2. Step 2: Convert to fraction form
    13,260.20/18,299.07 = 7,292.27/x
  3. Step 3: Cross multiply
    13,260.20x = 18,299.07 × 7,292.27
  4. Step 4: Simplify right side
    13,260.20x = 133,441,667.69
  5. Step 5: Solve for x
    x = 133,441,667.69/13,260.20
  6. Step 6: Final answer
    x = 10,063.33

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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.