Home / 18,048.45-27,083.60-7,660.20

Finding the Fourth Proportional to 18,048.45, 27,083.60 and 7,660.20

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Solution

The fourth proportional to 18,048.45, 27,083.60 and 7,660.20 is: 11,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.45 : 27,083.60 = 7,660.20 : x
  2. Step 2: Convert to fraction form
    18,048.45/27,083.60 = 7,660.20/x
  3. Step 3: Cross multiply
    18,048.45x = 27,083.60 × 7,660.20
  4. Step 4: Simplify right side
    18,048.45x = 207,465,688.51
  5. Step 5: Solve for x
    x = 207,465,688.51/18,048.45
  6. Step 6: Final answer
    x = 11,494.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.