Home / 13,224.15-18,249.60-7,255.83

Finding the Fourth Proportional to 13,224.15, 18,249.60 and 7,255.83

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Solution

The fourth proportional to 13,224.15, 18,249.60 and 7,255.83 is: 10,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.15 : 18,249.60 = 7,255.83 : x
  2. Step 2: Convert to fraction form
    13,224.15/18,249.60 = 7,255.83/x
  3. Step 3: Cross multiply
    13,224.15x = 18,249.60 × 7,255.83
  4. Step 4: Simplify right side
    13,224.15x = 132,415,995.17
  5. Step 5: Solve for x
    x = 132,415,995.17/13,224.15
  6. Step 6: Final answer
    x = 10,013.20

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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.