Home / 14,441.28-19,922.94-9,717.36

Finding the Fourth Proportional to 14,441.28, 19,922.94 and 9,717.36

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Solution

The fourth proportional to 14,441.28, 19,922.94 and 9,717.36 is: 13,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.28 : 19,922.94 = 9,717.36 : x
  2. Step 2: Convert to fraction form
    14,441.28/19,922.94 = 9,717.36/x
  3. Step 3: Cross multiply
    14,441.28x = 19,922.94 × 9,717.36
  4. Step 4: Simplify right side
    14,441.28x = 193,598,380.24
  5. Step 5: Solve for x
    x = 193,598,380.24/14,441.28
  6. Step 6: Final answer
    x = 13,405.90

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1.5x scale

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.