Home / 12,960.90-19,437.17-4,193.73

Finding the Fourth Proportional to 12,960.90, 19,437.17 and 4,193.73

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Solution

The fourth proportional to 12,960.90, 19,437.17 and 4,193.73 is: 6,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.90 : 19,437.17 = 4,193.73 : x
  2. Step 2: Convert to fraction form
    12,960.90/19,437.17 = 4,193.73/x
  3. Step 3: Cross multiply
    12,960.90x = 19,437.17 × 4,193.73
  4. Step 4: Simplify right side
    12,960.90x = 81,514,221.98
  5. Step 5: Solve for x
    x = 81,514,221.98/12,960.90
  6. Step 6: Final answer
    x = 6,289.24

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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.