Home / 20,617.88-30,926.54-5,035.64

Finding the Fourth Proportional to 20,617.88, 30,926.54 and 5,035.64

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Solution

The fourth proportional to 20,617.88, 30,926.54 and 5,035.64 is: 7,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.88 : 30,926.54 = 5,035.64 : x
  2. Step 2: Convert to fraction form
    20,617.88/30,926.54 = 5,035.64/x
  3. Step 3: Cross multiply
    20,617.88x = 30,926.54 × 5,035.64
  4. Step 4: Simplify right side
    20,617.88x = 155,734,921.89
  5. Step 5: Solve for x
    x = 155,734,921.89/20,617.88
  6. Step 6: Final answer
    x = 7,553.39

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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.