Home / 12,673.63-18,997.68-5,282.18

Finding the Fourth Proportional to 12,673.63, 18,997.68 and 5,282.18

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Solution

The fourth proportional to 12,673.63, 18,997.68 and 5,282.18 is: 7,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.63 : 18,997.68 = 5,282.18 : x
  2. Step 2: Convert to fraction form
    12,673.63/18,997.68 = 5,282.18/x
  3. Step 3: Cross multiply
    12,673.63x = 18,997.68 × 5,282.18
  4. Step 4: Simplify right side
    12,673.63x = 100,349,070.35
  5. Step 5: Solve for x
    x = 100,349,070.35/12,673.63
  6. Step 6: Final answer
    x = 7,917.95

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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.