Home / 13,231.66-18,259.68-7,263.49

Finding the Fourth Proportional to 13,231.66, 18,259.68 and 7,263.49

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Solution

The fourth proportional to 13,231.66, 18,259.68 and 7,263.49 is: 10,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.66 : 18,259.68 = 7,263.49 : x
  2. Step 2: Convert to fraction form
    13,231.66/18,259.68 = 7,263.49/x
  3. Step 3: Cross multiply
    13,231.66x = 18,259.68 × 7,263.49
  4. Step 4: Simplify right side
    13,231.66x = 132,629,003.08
  5. Step 5: Solve for x
    x = 132,629,003.08/13,231.66
  6. Step 6: Final answer
    x = 10,023.61

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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.