Home / 13,726.26-20,563.08-8,162.76

Finding the Fourth Proportional to 13,726.26, 20,563.08 and 8,162.76

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Solution

The fourth proportional to 13,726.26, 20,563.08 and 8,162.76 is: 12,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.26 : 20,563.08 = 8,162.76 : x
  2. Step 2: Convert to fraction form
    13,726.26/20,563.08 = 8,162.76/x
  3. Step 3: Cross multiply
    13,726.26x = 20,563.08 × 8,162.76
  4. Step 4: Simplify right side
    13,726.26x = 167,851,486.90
  5. Step 5: Solve for x
    x = 167,851,486.90/13,726.26
  6. Step 6: Final answer
    x = 12,228.49

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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.