Home / 13,502.41-18,625.56-8,121.13

Finding the Fourth Proportional to 13,502.41, 18,625.56 and 8,121.13

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Solution

The fourth proportional to 13,502.41, 18,625.56 and 8,121.13 is: 11,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.41 : 18,625.56 = 8,121.13 : x
  2. Step 2: Convert to fraction form
    13,502.41/18,625.56 = 8,121.13/x
  3. Step 3: Cross multiply
    13,502.41x = 18,625.56 × 8,121.13
  4. Step 4: Simplify right side
    13,502.41x = 151,260,594.08
  5. Step 5: Solve for x
    x = 151,260,594.08/13,502.41
  6. Step 6: Final answer
    x = 11,202.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.