Home / 14,171.42-21,257.16-3,783.14

Finding the Fourth Proportional to 14,171.42, 21,257.16 and 3,783.14

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Solution

The fourth proportional to 14,171.42, 21,257.16 and 3,783.14 is: 5,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.42 : 21,257.16 = 3,783.14 : x
  2. Step 2: Convert to fraction form
    14,171.42/21,257.16 = 3,783.14/x
  3. Step 3: Cross multiply
    14,171.42x = 21,257.16 × 3,783.14
  4. Step 4: Simplify right side
    14,171.42x = 80,418,812.28
  5. Step 5: Solve for x
    x = 80,418,812.28/14,171.42
  6. Step 6: Final answer
    x = 5,674.72

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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.