Home / 23,135.28-34,703.21-8,142.85

Finding the Fourth Proportional to 23,135.28, 34,703.21 and 8,142.85

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Solution

The fourth proportional to 23,135.28, 34,703.21 and 8,142.85 is: 12,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.28 : 34,703.21 = 8,142.85 : x
  2. Step 2: Convert to fraction form
    23,135.28/34,703.21 = 8,142.85/x
  3. Step 3: Cross multiply
    23,135.28x = 34,703.21 × 8,142.85
  4. Step 4: Simplify right side
    23,135.28x = 282,583,033.55
  5. Step 5: Solve for x
    x = 282,583,033.55/23,135.28
  6. Step 6: Final answer
    x = 12,214.38

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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.