Home / 13,836.64-20,754.89-5,938.48

Finding the Fourth Proportional to 13,836.64, 20,754.89 and 5,938.48

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Solution

The fourth proportional to 13,836.64, 20,754.89 and 5,938.48 is: 8,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.64 : 20,754.89 = 5,938.48 : x
  2. Step 2: Convert to fraction form
    13,836.64/20,754.89 = 5,938.48/x
  3. Step 3: Cross multiply
    13,836.64x = 20,754.89 × 5,938.48
  4. Step 4: Simplify right side
    13,836.64x = 123,252,499.17
  5. Step 5: Solve for x
    x = 123,252,499.17/13,836.64
  6. Step 6: Final answer
    x = 8,907.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.