Home / 12,343.53-18,515.27-4,135.53

Finding the Fourth Proportional to 12,343.53, 18,515.27 and 4,135.53

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Solution

The fourth proportional to 12,343.53, 18,515.27 and 4,135.53 is: 6,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.53 : 18,515.27 = 4,135.53 : x
  2. Step 2: Convert to fraction form
    12,343.53/18,515.27 = 4,135.53/x
  3. Step 3: Cross multiply
    12,343.53x = 18,515.27 × 4,135.53
  4. Step 4: Simplify right side
    12,343.53x = 76,570,433.87
  5. Step 5: Solve for x
    x = 76,570,433.87/12,343.53
  6. Step 6: Final answer
    x = 6,203.28

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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.