Home / 12,265.64-18,395.39-5,242.18

Finding the Fourth Proportional to 12,265.64, 18,395.39 and 5,242.18

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Solution

The fourth proportional to 12,265.64, 18,395.39 and 5,242.18 is: 7,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.64 : 18,395.39 = 5,242.18 : x
  2. Step 2: Convert to fraction form
    12,265.64/18,395.39 = 5,242.18/x
  3. Step 3: Cross multiply
    12,265.64x = 18,395.39 × 5,242.18
  4. Step 4: Simplify right side
    12,265.64x = 96,431,942.33
  5. Step 5: Solve for x
    x = 96,431,942.33/12,265.64
  6. Step 6: Final answer
    x = 7,861.96

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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.