Home / 20,350.24-30,528.42-7,202.74

Finding the Fourth Proportional to 20,350.24, 30,528.42 and 7,202.74

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Solution

The fourth proportional to 20,350.24, 30,528.42 and 7,202.74 is: 10,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.24 : 30,528.42 = 7,202.74 : x
  2. Step 2: Convert to fraction form
    20,350.24/30,528.42 = 7,202.74/x
  3. Step 3: Cross multiply
    20,350.24x = 30,528.42 × 7,202.74
  4. Step 4: Simplify right side
    20,350.24x = 219,888,271.87
  5. Step 5: Solve for x
    x = 219,888,271.87/20,350.24
  6. Step 6: Final answer
    x = 10,805.19

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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.