Home / 16,806.72-25,210.09-5,120.04

Finding the Fourth Proportional to 16,806.72, 25,210.09 and 5,120.04

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Solution

The fourth proportional to 16,806.72, 25,210.09 and 5,120.04 is: 7,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.72 : 25,210.09 = 5,120.04 : x
  2. Step 2: Convert to fraction form
    16,806.72/25,210.09 = 5,120.04/x
  3. Step 3: Cross multiply
    16,806.72x = 25,210.09 × 5,120.04
  4. Step 4: Simplify right side
    16,806.72x = 129,076,770.14
  5. Step 5: Solve for x
    x = 129,076,770.14/16,806.72
  6. Step 6: Final answer
    x = 7,680.07

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Similar ratio
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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.