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Finding the Fourth Proportional to 10,627.88, 15,942.47 and 3,232.88

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Solution

The fourth proportional to 10,627.88, 15,942.47 and 3,232.88 is: 4,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.88 : 15,942.47 = 3,232.88 : x
  2. Step 2: Convert to fraction form
    10,627.88/15,942.47 = 3,232.88/x
  3. Step 3: Cross multiply
    10,627.88x = 15,942.47 × 3,232.88
  4. Step 4: Simplify right side
    10,627.88x = 51,540,074.51
  5. Step 5: Solve for x
    x = 51,540,074.51/10,627.88
  6. Step 6: Final answer
    x = 4,849.52

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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.