Home / 12,695.49-19,042.97-4,375.32

Finding the Fourth Proportional to 12,695.49, 19,042.97 and 4,375.32

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Solution

The fourth proportional to 12,695.49, 19,042.97 and 4,375.32 is: 6,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.49 : 19,042.97 = 4,375.32 : x
  2. Step 2: Convert to fraction form
    12,695.49/19,042.97 = 4,375.32/x
  3. Step 3: Cross multiply
    12,695.49x = 19,042.97 × 4,375.32
  4. Step 4: Simplify right side
    12,695.49x = 83,319,065.62
  5. Step 5: Solve for x
    x = 83,319,065.62/12,695.49
  6. Step 6: Final answer
    x = 6,562.89

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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.