Home / 10,556.31-15,837.63-3,161.01

Finding the Fourth Proportional to 10,556.31, 15,837.63 and 3,161.01

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Solution

The fourth proportional to 10,556.31, 15,837.63 and 3,161.01 is: 4,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.31 : 15,837.63 = 3,161.01 : x
  2. Step 2: Convert to fraction form
    10,556.31/15,837.63 = 3,161.01/x
  3. Step 3: Cross multiply
    10,556.31x = 15,837.63 × 3,161.01
  4. Step 4: Simplify right side
    10,556.31x = 50,062,906.81
  5. Step 5: Solve for x
    x = 50,062,906.81/10,556.31
  6. Step 6: Final answer
    x = 4,742.46

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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.