Home / 14,084.84-19,438.43-7,797.21

Finding the Fourth Proportional to 14,084.84, 19,438.43 and 7,797.21

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Solution

The fourth proportional to 14,084.84, 19,438.43 and 7,797.21 is: 10,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.84 : 19,438.43 = 7,797.21 : x
  2. Step 2: Convert to fraction form
    14,084.84/19,438.43 = 7,797.21/x
  3. Step 3: Cross multiply
    14,084.84x = 19,438.43 × 7,797.21
  4. Step 4: Simplify right side
    14,084.84x = 151,565,481.79
  5. Step 5: Solve for x
    x = 151,565,481.79/14,084.84
  6. Step 6: Final answer
    x = 10,760.90

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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.