Home / 18,621.18-27,936.99-7,535.67

Finding the Fourth Proportional to 18,621.18, 27,936.99 and 7,535.67

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Solution

The fourth proportional to 18,621.18, 27,936.99 and 7,535.67 is: 11,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.18 : 27,936.99 = 7,535.67 : x
  2. Step 2: Convert to fraction form
    18,621.18/27,936.99 = 7,535.67/x
  3. Step 3: Cross multiply
    18,621.18x = 27,936.99 × 7,535.67
  4. Step 4: Simplify right side
    18,621.18x = 210,523,937.43
  5. Step 5: Solve for x
    x = 210,523,937.43/18,621.18
  6. Step 6: Final answer
    x = 11,305.62

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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.