Home / 12,581.94-18,875.70-4,261.26

Finding the Fourth Proportional to 12,581.94, 18,875.70 and 4,261.26

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Solution

The fourth proportional to 12,581.94, 18,875.70 and 4,261.26 is: 6,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.94 : 18,875.70 = 4,261.26 : x
  2. Step 2: Convert to fraction form
    12,581.94/18,875.70 = 4,261.26/x
  3. Step 3: Cross multiply
    12,581.94x = 18,875.70 × 4,261.26
  4. Step 4: Simplify right side
    12,581.94x = 80,434,265.38
  5. Step 5: Solve for x
    x = 80,434,265.38/12,581.94
  6. Step 6: Final answer
    x = 6,392.83

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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.