Home / 13,072.38-19,608.56-5,281.19

Finding the Fourth Proportional to 13,072.38, 19,608.56 and 5,281.19

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Solution

The fourth proportional to 13,072.38, 19,608.56 and 5,281.19 is: 7,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.38 : 19,608.56 = 5,281.19 : x
  2. Step 2: Convert to fraction form
    13,072.38/19,608.56 = 5,281.19/x
  3. Step 3: Cross multiply
    13,072.38x = 19,608.56 × 5,281.19
  4. Step 4: Simplify right side
    13,072.38x = 103,556,530.99
  5. Step 5: Solve for x
    x = 103,556,530.99/13,072.38
  6. Step 6: Final answer
    x = 7,921.78

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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.