Home / 18,157.36-27,241.08-6,471.76

Finding the Fourth Proportional to 18,157.36, 27,241.08 and 6,471.76

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Solution

The fourth proportional to 18,157.36, 27,241.08 and 6,471.76 is: 9,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.36 : 27,241.08 = 6,471.76 : x
  2. Step 2: Convert to fraction form
    18,157.36/27,241.08 = 6,471.76/x
  3. Step 3: Cross multiply
    18,157.36x = 27,241.08 × 6,471.76
  4. Step 4: Simplify right side
    18,157.36x = 176,297,731.90
  5. Step 5: Solve for x
    x = 176,297,731.90/18,157.36
  6. Step 6: Final answer
    x = 9,709.44

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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.