Home / 12,996.18-19,496.67-4,113.74

Finding the Fourth Proportional to 12,996.18, 19,496.67 and 4,113.74

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Solution

The fourth proportional to 12,996.18, 19,496.67 and 4,113.74 is: 6,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.18 : 19,496.67 = 4,113.74 : x
  2. Step 2: Convert to fraction form
    12,996.18/19,496.67 = 4,113.74/x
  3. Step 3: Cross multiply
    12,996.18x = 19,496.67 × 4,113.74
  4. Step 4: Simplify right side
    12,996.18x = 80,204,133.76
  5. Step 5: Solve for x
    x = 80,204,133.76/12,996.18
  6. Step 6: Final answer
    x = 6,171.36

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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.