Home / 13,327.74-19,949.69-9,143.28

Finding the Fourth Proportional to 13,327.74, 19,949.69 and 9,143.28

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Solution

The fourth proportional to 13,327.74, 19,949.69 and 9,143.28 is: 13,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.74 : 19,949.69 = 9,143.28 : x
  2. Step 2: Convert to fraction form
    13,327.74/19,949.69 = 9,143.28/x
  3. Step 3: Cross multiply
    13,327.74x = 19,949.69 × 9,143.28
  4. Step 4: Simplify right side
    13,327.74x = 182,405,528.85
  5. Step 5: Solve for x
    x = 182,405,528.85/13,327.74
  6. Step 6: Final answer
    x = 13,686.16

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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.