Home / 13,260.65-18,299.82-7,292.36

Finding the Fourth Proportional to 13,260.65, 18,299.82 and 7,292.36

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Solution

The fourth proportional to 13,260.65, 18,299.82 and 7,292.36 is: 10,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.65 : 18,299.82 = 7,292.36 : x
  2. Step 2: Convert to fraction form
    13,260.65/18,299.82 = 7,292.36/x
  3. Step 3: Cross multiply
    13,260.65x = 18,299.82 × 7,292.36
  4. Step 4: Simplify right side
    13,260.65x = 133,448,845.53
  5. Step 5: Solve for x
    x = 133,448,845.53/13,260.65
  6. Step 6: Final answer
    x = 10,063.53

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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.