Home / 13,260.29-18,299.67-7,292.42

Finding the Fourth Proportional to 13,260.29, 18,299.67 and 7,292.42

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Solution

The fourth proportional to 13,260.29, 18,299.67 and 7,292.42 is: 10,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.29 : 18,299.67 = 7,292.42 : x
  2. Step 2: Convert to fraction form
    13,260.29/18,299.67 = 7,292.42/x
  3. Step 3: Cross multiply
    13,260.29x = 18,299.67 × 7,292.42
  4. Step 4: Simplify right side
    13,260.29x = 133,448,788.00
  5. Step 5: Solve for x
    x = 133,448,788.00/13,260.29
  6. Step 6: Final answer
    x = 10,063.79

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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.