Home / 18,134.99-27,199.35-4,808.07

Finding the Fourth Proportional to 18,134.99, 27,199.35 and 4,808.07

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Solution

The fourth proportional to 18,134.99, 27,199.35 and 4,808.07 is: 7,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.99 : 27,199.35 = 4,808.07 : x
  2. Step 2: Convert to fraction form
    18,134.99/27,199.35 = 4,808.07/x
  3. Step 3: Cross multiply
    18,134.99x = 27,199.35 × 4,808.07
  4. Step 4: Simplify right side
    18,134.99x = 130,776,378.75
  5. Step 5: Solve for x
    x = 130,776,378.75/18,134.99
  6. Step 6: Final answer
    x = 7,211.27

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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.