Home / 14,230.94-21,331.83-5,915.78

Finding the Fourth Proportional to 14,230.94, 21,331.83 and 5,915.78

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Solution

The fourth proportional to 14,230.94, 21,331.83 and 5,915.78 is: 8,867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.94 : 21,331.83 = 5,915.78 : x
  2. Step 2: Convert to fraction form
    14,230.94/21,331.83 = 5,915.78/x
  3. Step 3: Cross multiply
    14,230.94x = 21,331.83 × 5,915.78
  4. Step 4: Simplify right side
    14,230.94x = 126,194,437.03
  5. Step 5: Solve for x
    x = 126,194,437.03/14,230.94
  6. Step 6: Final answer
    x = 8,867.61

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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.