Home / 12,350.28-18,525.39-4,142.28

Finding the Fourth Proportional to 12,350.28, 18,525.39 and 4,142.28

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Solution

The fourth proportional to 12,350.28, 18,525.39 and 4,142.28 is: 6,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.28 : 18,525.39 = 4,142.28 : x
  2. Step 2: Convert to fraction form
    12,350.28/18,525.39 = 4,142.28/x
  3. Step 3: Cross multiply
    12,350.28x = 18,525.39 × 4,142.28
  4. Step 4: Simplify right side
    12,350.28x = 76,737,352.49
  5. Step 5: Solve for x
    x = 76,737,352.49/12,350.28
  6. Step 6: Final answer
    x = 6,213.41

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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.