Home / 11,209.45-16,799.77-4,640.17

Finding the Fourth Proportional to 11,209.45, 16,799.77 and 4,640.17

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Solution

The fourth proportional to 11,209.45, 16,799.77 and 4,640.17 is: 6,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.45 : 16,799.77 = 4,640.17 : x
  2. Step 2: Convert to fraction form
    11,209.45/16,799.77 = 4,640.17/x
  3. Step 3: Cross multiply
    11,209.45x = 16,799.77 × 4,640.17
  4. Step 4: Simplify right side
    11,209.45x = 77,953,788.76
  5. Step 5: Solve for x
    x = 77,953,788.76/11,209.45
  6. Step 6: Final answer
    x = 6,954.29

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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.