Home / 20,461.09-30,716.22-13,867.27

Finding the Fourth Proportional to 20,461.09, 30,716.22 and 13,867.27

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Solution

The fourth proportional to 20,461.09, 30,716.22 and 13,867.27 is: 20,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.09 : 30,716.22 = 13,867.27 : x
  2. Step 2: Convert to fraction form
    20,461.09/30,716.22 = 13,867.27/x
  3. Step 3: Cross multiply
    20,461.09x = 30,716.22 × 13,867.27
  4. Step 4: Simplify right side
    20,461.09x = 425,950,116.12
  5. Step 5: Solve for x
    x = 425,950,116.12/20,461.09
  6. Step 6: Final answer
    x = 20,817.57

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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.