Home / 8,241.12-12,350.73-7,140.36

Finding the Fourth Proportional to 8,241.12, 12,350.73 and 7,140.36

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Solution

The fourth proportional to 8,241.12, 12,350.73 and 7,140.36 is: 10,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.12 : 12,350.73 = 7,140.36 : x
  2. Step 2: Convert to fraction form
    8,241.12/12,350.73 = 7,140.36/x
  3. Step 3: Cross multiply
    8,241.12x = 12,350.73 × 7,140.36
  4. Step 4: Simplify right side
    8,241.12x = 88,188,658.46
  5. Step 5: Solve for x
    x = 88,188,658.46/8,241.12
  6. Step 6: Final answer
    x = 10,701.05

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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.