Home / 12,672.55-19,003.38-4,353.39

Finding the Fourth Proportional to 12,672.55, 19,003.38 and 4,353.39

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Solution

The fourth proportional to 12,672.55, 19,003.38 and 4,353.39 is: 6,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.55 : 19,003.38 = 4,353.39 : x
  2. Step 2: Convert to fraction form
    12,672.55/19,003.38 = 4,353.39/x
  3. Step 3: Cross multiply
    12,672.55x = 19,003.38 × 4,353.39
  4. Step 4: Simplify right side
    12,672.55x = 82,729,124.46
  5. Step 5: Solve for x
    x = 82,729,124.46/12,672.55
  6. Step 6: Final answer
    x = 6,528.21

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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.