Home / 12,515.50-18,773.25-4,722.49

Finding the Fourth Proportional to 12,515.50, 18,773.25 and 4,722.49

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Solution

The fourth proportional to 12,515.50, 18,773.25 and 4,722.49 is: 7,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.50 : 18,773.25 = 4,722.49 : x
  2. Step 2: Convert to fraction form
    12,515.50/18,773.25 = 4,722.49/x
  3. Step 3: Cross multiply
    12,515.50x = 18,773.25 × 4,722.49
  4. Step 4: Simplify right side
    12,515.50x = 88,656,485.39
  5. Step 5: Solve for x
    x = 88,656,485.39/12,515.50
  6. Step 6: Final answer
    x = 7,083.74

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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.