Home / 12,934.22-19,403.35-4,170.02

Finding the Fourth Proportional to 12,934.22, 19,403.35 and 4,170.02

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Solution

The fourth proportional to 12,934.22, 19,403.35 and 4,170.02 is: 6,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.22 : 19,403.35 = 4,170.02 : x
  2. Step 2: Convert to fraction form
    12,934.22/19,403.35 = 4,170.02/x
  3. Step 3: Cross multiply
    12,934.22x = 19,403.35 × 4,170.02
  4. Step 4: Simplify right side
    12,934.22x = 80,912,250.13
  5. Step 5: Solve for x
    x = 80,912,250.13/12,934.22
  6. Step 6: Final answer
    x = 6,255.68

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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.