Home / 13,573.05-20,359.58-5,251.92

Finding the Fourth Proportional to 13,573.05, 20,359.58 and 5,251.92

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Solution

The fourth proportional to 13,573.05, 20,359.58 and 5,251.92 is: 7,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.05 : 20,359.58 = 5,251.92 : x
  2. Step 2: Convert to fraction form
    13,573.05/20,359.58 = 5,251.92/x
  3. Step 3: Cross multiply
    13,573.05x = 20,359.58 × 5,251.92
  4. Step 4: Simplify right side
    13,573.05x = 106,926,859.13
  5. Step 5: Solve for x
    x = 106,926,859.13/13,573.05
  6. Step 6: Final answer
    x = 7,877.88

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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.