Home / 13,224.70-18,246.18-8,511.67

Finding the Fourth Proportional to 13,224.70, 18,246.18 and 8,511.67

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Solution

The fourth proportional to 13,224.70, 18,246.18 and 8,511.67 is: 11,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.70 : 18,246.18 = 8,511.67 : x
  2. Step 2: Convert to fraction form
    13,224.70/18,246.18 = 8,511.67/x
  3. Step 3: Cross multiply
    13,224.70x = 18,246.18 × 8,511.67
  4. Step 4: Simplify right side
    13,224.70x = 155,305,462.92
  5. Step 5: Solve for x
    x = 155,305,462.92/13,224.70
  6. Step 6: Final answer
    x = 11,743.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.