Home / 11,290.58-16,936.98-3,894.07

Finding the Fourth Proportional to 11,290.58, 16,936.98 and 3,894.07

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Solution

The fourth proportional to 11,290.58, 16,936.98 and 3,894.07 is: 5,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.58 : 16,936.98 = 3,894.07 : x
  2. Step 2: Convert to fraction form
    11,290.58/16,936.98 = 3,894.07/x
  3. Step 3: Cross multiply
    11,290.58x = 16,936.98 × 3,894.07
  4. Step 4: Simplify right side
    11,290.58x = 65,953,785.71
  5. Step 5: Solve for x
    x = 65,953,785.71/11,290.58
  6. Step 6: Final answer
    x = 5,841.49

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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.