Home / 20,158.87-30,227.93-9,056.03

Finding the Fourth Proportional to 20,158.87, 30,227.93 and 9,056.03

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Solution

The fourth proportional to 20,158.87, 30,227.93 and 9,056.03 is: 13,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.87 : 30,227.93 = 9,056.03 : x
  2. Step 2: Convert to fraction form
    20,158.87/30,227.93 = 9,056.03/x
  3. Step 3: Cross multiply
    20,158.87x = 30,227.93 × 9,056.03
  4. Step 4: Simplify right side
    20,158.87x = 273,744,844.50
  5. Step 5: Solve for x
    x = 273,744,844.50/20,158.87
  6. Step 6: Final answer
    x = 13,579.38

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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.