Home / 10,173.25-15,260.82-3,153.32

Finding the Fourth Proportional to 10,173.25, 15,260.82 and 3,153.32

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Solution

The fourth proportional to 10,173.25, 15,260.82 and 3,153.32 is: 4,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.25 : 15,260.82 = 3,153.32 : x
  2. Step 2: Convert to fraction form
    10,173.25/15,260.82 = 3,153.32/x
  3. Step 3: Cross multiply
    10,173.25x = 15,260.82 × 3,153.32
  4. Step 4: Simplify right side
    10,173.25x = 48,122,235.76
  5. Step 5: Solve for x
    x = 48,122,235.76/10,173.25
  6. Step 6: Final answer
    x = 4,730.27

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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.