Home / 12,517.29-18,782.41-5,502.23

Finding the Fourth Proportional to 12,517.29, 18,782.41 and 5,502.23

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Solution

The fourth proportional to 12,517.29, 18,782.41 and 5,502.23 is: 8,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.29 : 18,782.41 = 5,502.23 : x
  2. Step 2: Convert to fraction form
    12,517.29/18,782.41 = 5,502.23/x
  3. Step 3: Cross multiply
    12,517.29x = 18,782.41 × 5,502.23
  4. Step 4: Simplify right side
    12,517.29x = 103,345,172.97
  5. Step 5: Solve for x
    x = 103,345,172.97/12,517.29
  6. Step 6: Final answer
    x = 8,256.19

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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.