Home / 12,242.82-18,363.21-8,670.17

Finding the Fourth Proportional to 12,242.82, 18,363.21 and 8,670.17

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Solution

The fourth proportional to 12,242.82, 18,363.21 and 8,670.17 is: 13,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.82 : 18,363.21 = 8,670.17 : x
  2. Step 2: Convert to fraction form
    12,242.82/18,363.21 = 8,670.17/x
  3. Step 3: Cross multiply
    12,242.82x = 18,363.21 × 8,670.17
  4. Step 4: Simplify right side
    12,242.82x = 159,212,198.35
  5. Step 5: Solve for x
    x = 159,212,198.35/12,242.82
  6. Step 6: Final answer
    x = 13,004.53

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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.