Home / 13,255.62-18,293.03-7,287.54

Finding the Fourth Proportional to 13,255.62, 18,293.03 and 7,287.54

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Solution

The fourth proportional to 13,255.62, 18,293.03 and 7,287.54 is: 10,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.62 : 18,293.03 = 7,287.54 : x
  2. Step 2: Convert to fraction form
    13,255.62/18,293.03 = 7,287.54/x
  3. Step 3: Cross multiply
    13,255.62x = 18,293.03 × 7,287.54
  4. Step 4: Simplify right side
    13,255.62x = 133,311,151.41
  5. Step 5: Solve for x
    x = 133,311,151.41/13,255.62
  6. Step 6: Final answer
    x = 10,056.95

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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.