Home / 10,556.56-15,837-3,537.28

Finding the Fourth Proportional to 10,556.56, 15,837 and 3,537.28

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Solution

The fourth proportional to 10,556.56, 15,837 and 3,537.28 is: 5,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.56 : 15,837 = 3,537.28 : x
  2. Step 2: Convert to fraction form
    10,556.56/15,837 = 3,537.28/x
  3. Step 3: Cross multiply
    10,556.56x = 15,837 × 3,537.28
  4. Step 4: Simplify right side
    10,556.56x = 56,019,903.36
  5. Step 5: Solve for x
    x = 56,019,903.36/10,556.56
  6. Step 6: Final answer
    x = 5,306.64

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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.