Home / 13,792.14-20,689.43-4,433.00

Finding the Fourth Proportional to 13,792.14, 20,689.43 and 4,433.00

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Solution

The fourth proportional to 13,792.14, 20,689.43 and 4,433.00 is: 6,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.14 : 20,689.43 = 4,433.00 : x
  2. Step 2: Convert to fraction form
    13,792.14/20,689.43 = 4,433.00/x
  3. Step 3: Cross multiply
    13,792.14x = 20,689.43 × 4,433.00
  4. Step 4: Simplify right side
    13,792.14x = 91,716,117.58
  5. Step 5: Solve for x
    x = 91,716,117.58/13,792.14
  6. Step 6: Final answer
    x = 6,649.88

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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.