Home / 17,082.40-25,623.60-7,219.12

Finding the Fourth Proportional to 17,082.40, 25,623.60 and 7,219.12

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Solution

The fourth proportional to 17,082.40, 25,623.60 and 7,219.12 is: 10,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,082.40 : 25,623.60 = 7,219.12 : x
  2. Step 2: Convert to fraction form
    17,082.40/25,623.60 = 7,219.12/x
  3. Step 3: Cross multiply
    17,082.40x = 25,623.60 × 7,219.12
  4. Step 4: Simplify right side
    17,082.40x = 184,979,843.23
  5. Step 5: Solve for x
    x = 184,979,843.23/17,082.40
  6. Step 6: Final answer
    x = 10,828.68

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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.