Home / 18,246.45-27,301.33-12,993.60

Finding the Fourth Proportional to 18,246.45, 27,301.33 and 12,993.60

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Solution

The fourth proportional to 18,246.45, 27,301.33 and 12,993.60 is: 19,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.45 : 27,301.33 = 12,993.60 : x
  2. Step 2: Convert to fraction form
    18,246.45/27,301.33 = 12,993.60/x
  3. Step 3: Cross multiply
    18,246.45x = 27,301.33 × 12,993.60
  4. Step 4: Simplify right side
    18,246.45x = 354,742,561.49
  5. Step 5: Solve for x
    x = 354,742,561.49/18,246.45
  6. Step 6: Final answer
    x = 19,441.73

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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.