Home / 11,280.09-16,922.88-7,954.83

Finding the Fourth Proportional to 11,280.09, 16,922.88 and 7,954.83

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Solution

The fourth proportional to 11,280.09, 16,922.88 and 7,954.83 is: 11,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.09 : 16,922.88 = 7,954.83 : x
  2. Step 2: Convert to fraction form
    11,280.09/16,922.88 = 7,954.83/x
  3. Step 3: Cross multiply
    11,280.09x = 16,922.88 × 7,954.83
  4. Step 4: Simplify right side
    11,280.09x = 134,618,633.51
  5. Step 5: Solve for x
    x = 134,618,633.51/11,280.09
  6. Step 6: Final answer
    x = 11,934.18

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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.