Home / 45,645.84-68,467.68-11,911.32

Finding the Fourth Proportional to 45,645.84, 68,467.68 and 11,911.32

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Solution

The fourth proportional to 45,645.84, 68,467.68 and 11,911.32 is: 17,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,645.84 : 68,467.68 = 11,911.32 : x
  2. Step 2: Convert to fraction form
    45,645.84/68,467.68 = 11,911.32/x
  3. Step 3: Cross multiply
    45,645.84x = 68,467.68 × 11,911.32
  4. Step 4: Simplify right side
    45,645.84x = 815,540,446.14
  5. Step 5: Solve for x
    x = 815,540,446.14/45,645.84
  6. Step 6: Final answer
    x = 17,866.70

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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.