Home / 10,192.60-15,286.30-3,171.24

Finding the Fourth Proportional to 10,192.60, 15,286.30 and 3,171.24

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Solution

The fourth proportional to 10,192.60, 15,286.30 and 3,171.24 is: 4,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.60 : 15,286.30 = 3,171.24 : x
  2. Step 2: Convert to fraction form
    10,192.60/15,286.30 = 3,171.24/x
  3. Step 3: Cross multiply
    10,192.60x = 15,286.30 × 3,171.24
  4. Step 4: Simplify right side
    10,192.60x = 48,476,526.01
  5. Step 5: Solve for x
    x = 48,476,526.01/10,192.60
  6. Step 6: Final answer
    x = 4,756.05

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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.