Home / 10,556.56-15,837.54-3,160.99

Finding the Fourth Proportional to 10,556.56, 15,837.54 and 3,160.99

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Solution

The fourth proportional to 10,556.56, 15,837.54 and 3,160.99 is: 4,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.56 : 15,837.54 = 3,160.99 : x
  2. Step 2: Convert to fraction form
    10,556.56/15,837.54 = 3,160.99/x
  3. Step 3: Cross multiply
    10,556.56x = 15,837.54 × 3,160.99
  4. Step 4: Simplify right side
    10,556.56x = 50,062,305.56
  5. Step 5: Solve for x
    x = 50,062,305.56/10,556.56
  6. Step 6: Final answer
    x = 4,742.29

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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.