Home / 12,672.12-19,003.45-4,349.77

Finding the Fourth Proportional to 12,672.12, 19,003.45 and 4,349.77

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Solution

The fourth proportional to 12,672.12, 19,003.45 and 4,349.77 is: 6,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.12 : 19,003.45 = 4,349.77 : x
  2. Step 2: Convert to fraction form
    12,672.12/19,003.45 = 4,349.77/x
  3. Step 3: Cross multiply
    12,672.12x = 19,003.45 × 4,349.77
  4. Step 4: Simplify right side
    12,672.12x = 82,660,649.59
  5. Step 5: Solve for x
    x = 82,660,649.59/12,672.12
  6. Step 6: Final answer
    x = 6,523.03

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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.