Home / 12,619.64-17,414.87-6,954.91

Finding the Fourth Proportional to 12,619.64, 17,414.87 and 6,954.91

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Solution

The fourth proportional to 12,619.64, 17,414.87 and 6,954.91 is: 9,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.64 : 17,414.87 = 6,954.91 : x
  2. Step 2: Convert to fraction form
    12,619.64/17,414.87 = 6,954.91/x
  3. Step 3: Cross multiply
    12,619.64x = 17,414.87 × 6,954.91
  4. Step 4: Simplify right side
    12,619.64x = 121,118,818.74
  5. Step 5: Solve for x
    x = 121,118,818.74/12,619.64
  6. Step 6: Final answer
    x = 9,597.64

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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.