Home / 10,173.21-15,261.30-3,153.84

Finding the Fourth Proportional to 10,173.21, 15,261.30 and 3,153.84

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Solution

The fourth proportional to 10,173.21, 15,261.30 and 3,153.84 is: 4,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.21 : 15,261.30 = 3,153.84 : x
  2. Step 2: Convert to fraction form
    10,173.21/15,261.30 = 3,153.84/x
  3. Step 3: Cross multiply
    10,173.21x = 15,261.30 × 3,153.84
  4. Step 4: Simplify right side
    10,173.21x = 48,131,698.39
  5. Step 5: Solve for x
    x = 48,131,698.39/10,173.21
  6. Step 6: Final answer
    x = 4,731.22

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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.