Home / 7,962.90-11,942.78-7,567.76

Finding the Fourth Proportional to 7,962.90, 11,942.78 and 7,567.76

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Solution

The fourth proportional to 7,962.90, 11,942.78 and 7,567.76 is: 11,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.90 : 11,942.78 = 7,567.76 : x
  2. Step 2: Convert to fraction form
    7,962.90/11,942.78 = 7,567.76/x
  3. Step 3: Cross multiply
    7,962.90x = 11,942.78 × 7,567.76
  4. Step 4: Simplify right side
    7,962.90x = 90,380,092.77
  5. Step 5: Solve for x
    x = 90,380,092.77/7,962.90
  6. Step 6: Final answer
    x = 11,350.15

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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.