Home / 18,353.06-27,529.46-5,205.42

Finding the Fourth Proportional to 18,353.06, 27,529.46 and 5,205.42

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Solution

The fourth proportional to 18,353.06, 27,529.46 and 5,205.42 is: 7,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.06 : 27,529.46 = 5,205.42 : x
  2. Step 2: Convert to fraction form
    18,353.06/27,529.46 = 5,205.42/x
  3. Step 3: Cross multiply
    18,353.06x = 27,529.46 × 5,205.42
  4. Step 4: Simplify right side
    18,353.06x = 143,302,401.67
  5. Step 5: Solve for x
    x = 143,302,401.67/18,353.06
  6. Step 6: Final answer
    x = 7,808.09

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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.