Home / 12,524.28-18,784.98-3,759.18

Finding the Fourth Proportional to 12,524.28, 18,784.98 and 3,759.18

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Solution

The fourth proportional to 12,524.28, 18,784.98 and 3,759.18 is: 5,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.28 : 18,784.98 = 3,759.18 : x
  2. Step 2: Convert to fraction form
    12,524.28/18,784.98 = 3,759.18/x
  3. Step 3: Cross multiply
    12,524.28x = 18,784.98 × 3,759.18
  4. Step 4: Simplify right side
    12,524.28x = 70,616,121.12
  5. Step 5: Solve for x
    x = 70,616,121.12/12,524.28
  6. Step 6: Final answer
    x = 5,638.34

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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.