Home / 18,178.64-27,262.28-5,027.84

Finding the Fourth Proportional to 18,178.64, 27,262.28 and 5,027.84

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Solution

The fourth proportional to 18,178.64, 27,262.28 and 5,027.84 is: 7,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.64 : 27,262.28 = 5,027.84 : x
  2. Step 2: Convert to fraction form
    18,178.64/27,262.28 = 5,027.84/x
  3. Step 3: Cross multiply
    18,178.64x = 27,262.28 × 5,027.84
  4. Step 4: Simplify right side
    18,178.64x = 137,070,381.88
  5. Step 5: Solve for x
    x = 137,070,381.88/18,178.64
  6. Step 6: Final answer
    x = 7,540.19

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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.