Home / 12,958.43-19,436.96-4,192.66

Finding the Fourth Proportional to 12,958.43, 19,436.96 and 4,192.66

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Solution

The fourth proportional to 12,958.43, 19,436.96 and 4,192.66 is: 6,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.43 : 19,436.96 = 4,192.66 : x
  2. Step 2: Convert to fraction form
    12,958.43/19,436.96 = 4,192.66/x
  3. Step 3: Cross multiply
    12,958.43x = 19,436.96 × 4,192.66
  4. Step 4: Simplify right side
    12,958.43x = 81,492,599.49
  5. Step 5: Solve for x
    x = 81,492,599.49/12,958.43
  6. Step 6: Final answer
    x = 6,288.77

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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.