Home / 12,967.92-19,433.52-6,398.82

Finding the Fourth Proportional to 12,967.92, 19,433.52 and 6,398.82

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Solution

The fourth proportional to 12,967.92, 19,433.52 and 6,398.82 is: 9,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.92 : 19,433.52 = 6,398.82 : x
  2. Step 2: Convert to fraction form
    12,967.92/19,433.52 = 6,398.82/x
  3. Step 3: Cross multiply
    12,967.92x = 19,433.52 × 6,398.82
  4. Step 4: Simplify right side
    12,967.92x = 124,351,596.45
  5. Step 5: Solve for x
    x = 124,351,596.45/12,967.92
  6. Step 6: Final answer
    x = 9,589.17

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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.