Home / 13,577.22-20,369.01-4,216.77

Finding the Fourth Proportional to 13,577.22, 20,369.01 and 4,216.77

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Solution

The fourth proportional to 13,577.22, 20,369.01 and 4,216.77 is: 6,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.22 : 20,369.01 = 4,216.77 : x
  2. Step 2: Convert to fraction form
    13,577.22/20,369.01 = 4,216.77/x
  3. Step 3: Cross multiply
    13,577.22x = 20,369.01 × 4,216.77
  4. Step 4: Simplify right side
    13,577.22x = 85,891,430.30
  5. Step 5: Solve for x
    x = 85,891,430.30/13,577.22
  6. Step 6: Final answer
    x = 6,326.14

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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.