Home / 13,229.07-18,255.39-7,260.27

Finding the Fourth Proportional to 13,229.07, 18,255.39 and 7,260.27

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Solution

The fourth proportional to 13,229.07, 18,255.39 and 7,260.27 is: 10,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.07 : 18,255.39 = 7,260.27 : x
  2. Step 2: Convert to fraction form
    13,229.07/18,255.39 = 7,260.27/x
  3. Step 3: Cross multiply
    13,229.07x = 18,255.39 × 7,260.27
  4. Step 4: Simplify right side
    13,229.07x = 132,539,060.36
  5. Step 5: Solve for x
    x = 132,539,060.36/13,229.07
  6. Step 6: Final answer
    x = 10,018.77

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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.