Home / 12,960.45-19,440.99-9,694.29

Finding the Fourth Proportional to 12,960.45, 19,440.99 and 9,694.29

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Solution

The fourth proportional to 12,960.45, 19,440.99 and 9,694.29 is: 14,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.45 : 19,440.99 = 9,694.29 : x
  2. Step 2: Convert to fraction form
    12,960.45/19,440.99 = 9,694.29/x
  3. Step 3: Cross multiply
    12,960.45x = 19,440.99 × 9,694.29
  4. Step 4: Simplify right side
    12,960.45x = 188,466,594.95
  5. Step 5: Solve for x
    x = 188,466,594.95/12,960.45
  6. Step 6: Final answer
    x = 14,541.67

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Double scale
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Similar ratio
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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.