Home / 13,230.82-18,258.60-7,262.92

Finding the Fourth Proportional to 13,230.82, 18,258.60 and 7,262.92

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Solution

The fourth proportional to 13,230.82, 18,258.60 and 7,262.92 is: 10,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.82 : 18,258.60 = 7,262.92 : x
  2. Step 2: Convert to fraction form
    13,230.82/18,258.60 = 7,262.92/x
  3. Step 3: Cross multiply
    13,230.82x = 18,258.60 × 7,262.92
  4. Step 4: Simplify right side
    13,230.82x = 132,610,751.11
  5. Step 5: Solve for x
    x = 132,610,751.11/13,230.82
  6. Step 6: Final answer
    x = 10,022.87

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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.