Home / 14,091.72-21,152.96-10,382.44

Finding the Fourth Proportional to 14,091.72, 21,152.96 and 10,382.44

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Solution

The fourth proportional to 14,091.72, 21,152.96 and 10,382.44 is: 15,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.72 : 21,152.96 = 10,382.44 : x
  2. Step 2: Convert to fraction form
    14,091.72/21,152.96 = 10,382.44/x
  3. Step 3: Cross multiply
    14,091.72x = 21,152.96 × 10,382.44
  4. Step 4: Simplify right side
    14,091.72x = 219,619,338.02
  5. Step 5: Solve for x
    x = 219,619,338.02/14,091.72
  6. Step 6: Final answer
    x = 15,584.99

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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.