Home / 9,372.50-12,936.10-5,968.78

Finding the Fourth Proportional to 9,372.50, 12,936.10 and 5,968.78

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Solution

The fourth proportional to 9,372.50, 12,936.10 and 5,968.78 is: 8,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.50 : 12,936.10 = 5,968.78 : x
  2. Step 2: Convert to fraction form
    9,372.50/12,936.10 = 5,968.78/x
  3. Step 3: Cross multiply
    9,372.50x = 12,936.10 × 5,968.78
  4. Step 4: Simplify right side
    9,372.50x = 77,212,734.96
  5. Step 5: Solve for x
    x = 77,212,734.96/9,372.50
  6. Step 6: Final answer
    x = 8,238.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.