Home / 18,153.10-27,191.38-8,300.67

Finding the Fourth Proportional to 18,153.10, 27,191.38 and 8,300.67

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Solution

The fourth proportional to 18,153.10, 27,191.38 and 8,300.67 is: 12,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.10 : 27,191.38 = 8,300.67 : x
  2. Step 2: Convert to fraction form
    18,153.10/27,191.38 = 8,300.67/x
  3. Step 3: Cross multiply
    18,153.10x = 27,191.38 × 8,300.67
  4. Step 4: Simplify right side
    18,153.10x = 225,706,672.22
  5. Step 5: Solve for x
    x = 225,706,672.22/18,153.10
  6. Step 6: Final answer
    x = 12,433.51

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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.