Home / 14,042.92-21,066.66-5,278.54

Finding the Fourth Proportional to 14,042.92, 21,066.66 and 5,278.54

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Solution

The fourth proportional to 14,042.92, 21,066.66 and 5,278.54 is: 7,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.92 : 21,066.66 = 5,278.54 : x
  2. Step 2: Convert to fraction form
    14,042.92/21,066.66 = 5,278.54/x
  3. Step 3: Cross multiply
    14,042.92x = 21,066.66 × 5,278.54
  4. Step 4: Simplify right side
    14,042.92x = 111,201,207.48
  5. Step 5: Solve for x
    x = 111,201,207.48/14,042.92
  6. Step 6: Final answer
    x = 7,918.67

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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.