Home / 14,170.56-21,257.28-3,783.04

Finding the Fourth Proportional to 14,170.56, 21,257.28 and 3,783.04

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Solution

The fourth proportional to 14,170.56, 21,257.28 and 3,783.04 is: 5,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.56 : 21,257.28 = 3,783.04 : x
  2. Step 2: Convert to fraction form
    14,170.56/21,257.28 = 3,783.04/x
  3. Step 3: Cross multiply
    14,170.56x = 21,257.28 × 3,783.04
  4. Step 4: Simplify right side
    14,170.56x = 80,417,140.53
  5. Step 5: Solve for x
    x = 80,417,140.53/14,170.56
  6. Step 6: Final answer
    x = 5,674.94

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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.