Home / 18,145.72-27,233.16-9,383.20

Finding the Fourth Proportional to 18,145.72, 27,233.16 and 9,383.20

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Solution

The fourth proportional to 18,145.72, 27,233.16 and 9,383.20 is: 14,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.72 : 27,233.16 = 9,383.20 : x
  2. Step 2: Convert to fraction form
    18,145.72/27,233.16 = 9,383.20/x
  3. Step 3: Cross multiply
    18,145.72x = 27,233.16 × 9,383.20
  4. Step 4: Simplify right side
    18,145.72x = 255,534,186.91
  5. Step 5: Solve for x
    x = 255,534,186.91/18,145.72
  6. Step 6: Final answer
    x = 14,082.34

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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.