Home / 13,974.32-19,282.94-8,005.64

Finding the Fourth Proportional to 13,974.32, 19,282.94 and 8,005.64

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Solution

The fourth proportional to 13,974.32, 19,282.94 and 8,005.64 is: 11,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.32 : 19,282.94 = 8,005.64 : x
  2. Step 2: Convert to fraction form
    13,974.32/19,282.94 = 8,005.64/x
  3. Step 3: Cross multiply
    13,974.32x = 19,282.94 × 8,005.64
  4. Step 4: Simplify right side
    13,974.32x = 154,372,139.34
  5. Step 5: Solve for x
    x = 154,372,139.34/13,974.32
  6. Step 6: Final answer
    x = 11,046.85

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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.