Home / 12,960.57-19,450.58-8,037.39

Finding the Fourth Proportional to 12,960.57, 19,450.58 and 8,037.39

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Solution

The fourth proportional to 12,960.57, 19,450.58 and 8,037.39 is: 12,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.57 : 19,450.58 = 8,037.39 : x
  2. Step 2: Convert to fraction form
    12,960.57/19,450.58 = 8,037.39/x
  3. Step 3: Cross multiply
    12,960.57x = 19,450.58 × 8,037.39
  4. Step 4: Simplify right side
    12,960.57x = 156,331,857.00
  5. Step 5: Solve for x
    x = 156,331,857.00/12,960.57
  6. Step 6: Final answer
    x = 12,062.11

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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.