Home / 12,909.17-19,365.38-4,141.73

Finding the Fourth Proportional to 12,909.17, 19,365.38 and 4,141.73

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Solution

The fourth proportional to 12,909.17, 19,365.38 and 4,141.73 is: 6,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909.17 : 19,365.38 = 4,141.73 : x
  2. Step 2: Convert to fraction form
    12,909.17/19,365.38 = 4,141.73/x
  3. Step 3: Cross multiply
    12,909.17x = 19,365.38 × 4,141.73
  4. Step 4: Simplify right side
    12,909.17x = 80,206,154.60
  5. Step 5: Solve for x
    x = 80,206,154.60/12,909.17
  6. Step 6: Final answer
    x = 6,213.11

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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.