Home / 11,324.89-16,987.34-3,534.31

Finding the Fourth Proportional to 11,324.89, 16,987.34 and 3,534.31

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Solution

The fourth proportional to 11,324.89, 16,987.34 and 3,534.31 is: 5,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.89 : 16,987.34 = 3,534.31 : x
  2. Step 2: Convert to fraction form
    11,324.89/16,987.34 = 3,534.31/x
  3. Step 3: Cross multiply
    11,324.89x = 16,987.34 × 3,534.31
  4. Step 4: Simplify right side
    11,324.89x = 60,038,525.64
  5. Step 5: Solve for x
    x = 60,038,525.64/11,324.89
  6. Step 6: Final answer
    x = 5,301.47

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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.