Home / 12,113.55-18,170.33-3,347.73

Finding the Fourth Proportional to 12,113.55, 18,170.33 and 3,347.73

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Solution

The fourth proportional to 12,113.55, 18,170.33 and 3,347.73 is: 5,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.55 : 18,170.33 = 3,347.73 : x
  2. Step 2: Convert to fraction form
    12,113.55/18,170.33 = 3,347.73/x
  3. Step 3: Cross multiply
    12,113.55x = 18,170.33 × 3,347.73
  4. Step 4: Simplify right side
    12,113.55x = 60,829,342.11
  5. Step 5: Solve for x
    x = 60,829,342.11/12,113.55
  6. Step 6: Final answer
    x = 5,021.60

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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.