Home / 13,836.52-19,093.62-7,869.64

Finding the Fourth Proportional to 13,836.52, 19,093.62 and 7,869.64

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Solution

The fourth proportional to 13,836.52, 19,093.62 and 7,869.64 is: 10,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.52 : 19,093.62 = 7,869.64 : x
  2. Step 2: Convert to fraction form
    13,836.52/19,093.62 = 7,869.64/x
  3. Step 3: Cross multiply
    13,836.52x = 19,093.62 × 7,869.64
  4. Step 4: Simplify right side
    13,836.52x = 150,259,915.70
  5. Step 5: Solve for x
    x = 150,259,915.70/13,836.52
  6. Step 6: Final answer
    x = 10,859.66

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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.