Home / 13,972.07-19,279.83-8,003.38

Finding the Fourth Proportional to 13,972.07, 19,279.83 and 8,003.38

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Solution

The fourth proportional to 13,972.07, 19,279.83 and 8,003.38 is: 11,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.07 : 19,279.83 = 8,003.38 : x
  2. Step 2: Convert to fraction form
    13,972.07/19,279.83 = 8,003.38/x
  3. Step 3: Cross multiply
    13,972.07x = 19,279.83 × 8,003.38
  4. Step 4: Simplify right side
    13,972.07x = 154,303,787.64
  5. Step 5: Solve for x
    x = 154,303,787.64/13,972.07
  6. Step 6: Final answer
    x = 11,043.74

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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.