Home / 13,370.62-18,446.99-8,260.67

Finding the Fourth Proportional to 13,370.62, 18,446.99 and 8,260.67

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Solution

The fourth proportional to 13,370.62, 18,446.99 and 8,260.67 is: 11,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.62 : 18,446.99 = 8,260.67 : x
  2. Step 2: Convert to fraction form
    13,370.62/18,446.99 = 8,260.67/x
  3. Step 3: Cross multiply
    13,370.62x = 18,446.99 × 8,260.67
  4. Step 4: Simplify right side
    13,370.62x = 152,384,444.40
  5. Step 5: Solve for x
    x = 152,384,444.40/13,370.62
  6. Step 6: Final answer
    x = 11,396.96

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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.