Home / 12,695.45-19,048.64-6,850.89

Finding the Fourth Proportional to 12,695.45, 19,048.64 and 6,850.89

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Solution

The fourth proportional to 12,695.45, 19,048.64 and 6,850.89 is: 10,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.45 : 19,048.64 = 6,850.89 : x
  2. Step 2: Convert to fraction form
    12,695.45/19,048.64 = 6,850.89/x
  3. Step 3: Cross multiply
    12,695.45x = 19,048.64 × 6,850.89
  4. Step 4: Simplify right side
    12,695.45x = 130,500,103.04
  5. Step 5: Solve for x
    x = 130,500,103.04/12,695.45
  6. Step 6: Final answer
    x = 10,279.29

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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.