Home / 13,726.33-20,617.05-8,190.48

Finding the Fourth Proportional to 13,726.33, 20,617.05 and 8,190.48

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Solution

The fourth proportional to 13,726.33, 20,617.05 and 8,190.48 is: 12,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.33 : 20,617.05 = 8,190.48 : x
  2. Step 2: Convert to fraction form
    13,726.33/20,617.05 = 8,190.48/x
  3. Step 3: Cross multiply
    13,726.33x = 20,617.05 × 8,190.48
  4. Step 4: Simplify right side
    13,726.33x = 168,863,535.68
  5. Step 5: Solve for x
    x = 168,863,535.68/13,726.33
  6. Step 6: Final answer
    x = 12,302.16

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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.