Home / 13,892.20-19,171.08-7,604.50

Finding the Fourth Proportional to 13,892.20, 19,171.08 and 7,604.50

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Solution

The fourth proportional to 13,892.20, 19,171.08 and 7,604.50 is: 10,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.20 : 19,171.08 = 7,604.50 : x
  2. Step 2: Convert to fraction form
    13,892.20/19,171.08 = 7,604.50/x
  3. Step 3: Cross multiply
    13,892.20x = 19,171.08 × 7,604.50
  4. Step 4: Simplify right side
    13,892.20x = 145,786,477.86
  5. Step 5: Solve for x
    x = 145,786,477.86/13,892.20
  6. Step 6: Final answer
    x = 10,494.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.