Home / 12,744.11-19,130.01-9,401.87

Finding the Fourth Proportional to 12,744.11, 19,130.01 and 9,401.87

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Solution

The fourth proportional to 12,744.11, 19,130.01 and 9,401.87 is: 14,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.11 : 19,130.01 = 9,401.87 : x
  2. Step 2: Convert to fraction form
    12,744.11/19,130.01 = 9,401.87/x
  3. Step 3: Cross multiply
    12,744.11x = 19,130.01 × 9,401.87
  4. Step 4: Simplify right side
    12,744.11x = 179,857,867.12
  5. Step 5: Solve for x
    x = 179,857,867.12/12,744.11
  6. Step 6: Final answer
    x = 14,113.02

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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.