Home / 14,231.33-21,346.54-6,440.14

Finding the Fourth Proportional to 14,231.33, 21,346.54 and 6,440.14

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Solution

The fourth proportional to 14,231.33, 21,346.54 and 6,440.14 is: 9,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.33 : 21,346.54 = 6,440.14 : x
  2. Step 2: Convert to fraction form
    14,231.33/21,346.54 = 6,440.14/x
  3. Step 3: Cross multiply
    14,231.33x = 21,346.54 × 6,440.14
  4. Step 4: Simplify right side
    14,231.33x = 137,474,716.70
  5. Step 5: Solve for x
    x = 137,474,716.70/14,231.33
  6. Step 6: Final answer
    x = 9,660.01

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1.5x scale

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.