Home / 19,175.36-26,449.64-12,378.04

Finding the Fourth Proportional to 19,175.36, 26,449.64 and 12,378.04

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Solution

The fourth proportional to 19,175.36, 26,449.64 and 12,378.04 is: 17,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.36 : 26,449.64 = 12,378.04 : x
  2. Step 2: Convert to fraction form
    19,175.36/26,449.64 = 12,378.04/x
  3. Step 3: Cross multiply
    19,175.36x = 26,449.64 × 12,378.04
  4. Step 4: Simplify right side
    19,175.36x = 327,394,694.70
  5. Step 5: Solve for x
    x = 327,394,694.70/19,175.36
  6. Step 6: Final answer
    x = 17,073.72

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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.