Home / 14,212.06-21,318.09-4,975.90

Finding the Fourth Proportional to 14,212.06, 21,318.09 and 4,975.90

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Solution

The fourth proportional to 14,212.06, 21,318.09 and 4,975.90 is: 7,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.06 : 21,318.09 = 4,975.90 : x
  2. Step 2: Convert to fraction form
    14,212.06/21,318.09 = 4,975.90/x
  3. Step 3: Cross multiply
    14,212.06x = 21,318.09 × 4,975.90
  4. Step 4: Simplify right side
    14,212.06x = 106,076,684.03
  5. Step 5: Solve for x
    x = 106,076,684.03/14,212.06
  6. Step 6: Final answer
    x = 7,463.85

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Similar ratio
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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.