Home / 11,313.68-16,968.35-3,918.17

Finding the Fourth Proportional to 11,313.68, 16,968.35 and 3,918.17

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Solution

The fourth proportional to 11,313.68, 16,968.35 and 3,918.17 is: 5,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.68 : 16,968.35 = 3,918.17 : x
  2. Step 2: Convert to fraction form
    11,313.68/16,968.35 = 3,918.17/x
  3. Step 3: Cross multiply
    11,313.68x = 16,968.35 × 3,918.17
  4. Step 4: Simplify right side
    11,313.68x = 66,484,932.14
  5. Step 5: Solve for x
    x = 66,484,932.14/11,313.68
  6. Step 6: Final answer
    x = 5,876.51

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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.