Home / 18,083.25-27,139.46-9,320.67

Finding the Fourth Proportional to 18,083.25, 27,139.46 and 9,320.67

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Solution

The fourth proportional to 18,083.25, 27,139.46 and 9,320.67 is: 13,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.25 : 27,139.46 = 9,320.67 : x
  2. Step 2: Convert to fraction form
    18,083.25/27,139.46 = 9,320.67/x
  3. Step 3: Cross multiply
    18,083.25x = 27,139.46 × 9,320.67
  4. Step 4: Simplify right side
    18,083.25x = 252,957,904.03
  5. Step 5: Solve for x
    x = 252,957,904.03/18,083.25
  6. Step 6: Final answer
    x = 13,988.52

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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.