Home / 12,694.32-17,519.24-7,030.45

Finding the Fourth Proportional to 12,694.32, 17,519.24 and 7,030.45

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Solution

The fourth proportional to 12,694.32, 17,519.24 and 7,030.45 is: 9,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.32 : 17,519.24 = 7,030.45 : x
  2. Step 2: Convert to fraction form
    12,694.32/17,519.24 = 7,030.45/x
  3. Step 3: Cross multiply
    12,694.32x = 17,519.24 × 7,030.45
  4. Step 4: Simplify right side
    12,694.32x = 123,168,042.24
  5. Step 5: Solve for x
    x = 123,168,042.24/12,694.32
  6. Step 6: Final answer
    x = 9,702.61

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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.