Home / 13,327.62-19,985.60-7,086.12

Finding the Fourth Proportional to 13,327.62, 19,985.60 and 7,086.12

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Solution

The fourth proportional to 13,327.62, 19,985.60 and 7,086.12 is: 10,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.62 : 19,985.60 = 7,086.12 : x
  2. Step 2: Convert to fraction form
    13,327.62/19,985.60 = 7,086.12/x
  3. Step 3: Cross multiply
    13,327.62x = 19,985.60 × 7,086.12
  4. Step 4: Simplify right side
    13,327.62x = 141,620,359.87
  5. Step 5: Solve for x
    x = 141,620,359.87/13,327.62
  6. Step 6: Final answer
    x = 10,626.08

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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.