Home / 9,103.18-13,655.04-3,556.30

Finding the Fourth Proportional to 9,103.18, 13,655.04 and 3,556.30

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Solution

The fourth proportional to 9,103.18, 13,655.04 and 3,556.30 is: 5,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.18 : 13,655.04 = 3,556.30 : x
  2. Step 2: Convert to fraction form
    9,103.18/13,655.04 = 3,556.30/x
  3. Step 3: Cross multiply
    9,103.18x = 13,655.04 × 3,556.30
  4. Step 4: Simplify right side
    9,103.18x = 48,561,418.75
  5. Step 5: Solve for x
    x = 48,561,418.75/9,103.18
  6. Step 6: Final answer
    x = 5,334.56

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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.