Home / 11,145.94-16,620.67-11,046.01

Finding the Fourth Proportional to 11,145.94, 16,620.67 and 11,046.01

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Solution

The fourth proportional to 11,145.94, 16,620.67 and 11,046.01 is: 16,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.94 : 16,620.67 = 11,046.01 : x
  2. Step 2: Convert to fraction form
    11,145.94/16,620.67 = 11,046.01/x
  3. Step 3: Cross multiply
    11,145.94x = 16,620.67 × 11,046.01
  4. Step 4: Simplify right side
    11,145.94x = 183,592,087.03
  5. Step 5: Solve for x
    x = 183,592,087.03/11,145.94
  6. Step 6: Final answer
    x = 16,471.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.