Home / 13,243.22-18,268.01-7,934.96

Finding the Fourth Proportional to 13,243.22, 18,268.01 and 7,934.96

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Solution

The fourth proportional to 13,243.22, 18,268.01 and 7,934.96 is: 10,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.22 : 18,268.01 = 7,934.96 : x
  2. Step 2: Convert to fraction form
    13,243.22/18,268.01 = 7,934.96/x
  3. Step 3: Cross multiply
    13,243.22x = 18,268.01 × 7,934.96
  4. Step 4: Simplify right side
    13,243.22x = 144,955,942.06
  5. Step 5: Solve for x
    x = 144,955,942.06/13,243.22
  6. Step 6: Final answer
    x = 10,945.67

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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.