Home / 20,245.93-30,382.45-7,098.30

Finding the Fourth Proportional to 20,245.93, 30,382.45 and 7,098.30

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Solution

The fourth proportional to 20,245.93, 30,382.45 and 7,098.30 is: 10,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.93 : 30,382.45 = 7,098.30 : x
  2. Step 2: Convert to fraction form
    20,245.93/30,382.45 = 7,098.30/x
  3. Step 3: Cross multiply
    20,245.93x = 30,382.45 × 7,098.30
  4. Step 4: Simplify right side
    20,245.93x = 215,663,744.84
  5. Step 5: Solve for x
    x = 215,663,744.84/20,245.93
  6. Step 6: Final answer
    x = 10,652.20

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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.