Home / 13,463.22-20,203.26-5,143.95

Finding the Fourth Proportional to 13,463.22, 20,203.26 and 5,143.95

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Solution

The fourth proportional to 13,463.22, 20,203.26 and 5,143.95 is: 7,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.22 : 20,203.26 = 5,143.95 : x
  2. Step 2: Convert to fraction form
    13,463.22/20,203.26 = 5,143.95/x
  3. Step 3: Cross multiply
    13,463.22x = 20,203.26 × 5,143.95
  4. Step 4: Simplify right side
    13,463.22x = 103,924,539.99
  5. Step 5: Solve for x
    x = 103,924,539.99/13,463.22
  6. Step 6: Final answer
    x = 7,719.14

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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.