Home / 18,153.18-27,240.68-7,764.94

Finding the Fourth Proportional to 18,153.18, 27,240.68 and 7,764.94

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Solution

The fourth proportional to 18,153.18, 27,240.68 and 7,764.94 is: 11,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.18 : 27,240.68 = 7,764.94 : x
  2. Step 2: Convert to fraction form
    18,153.18/27,240.68 = 7,764.94/x
  3. Step 3: Cross multiply
    18,153.18x = 27,240.68 × 7,764.94
  4. Step 4: Simplify right side
    18,153.18x = 211,522,245.76
  5. Step 5: Solve for x
    x = 211,522,245.76/18,153.18
  6. Step 6: Final answer
    x = 11,652.08

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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.