Home / 14,606.32-21,912.72-4,218.88

Finding the Fourth Proportional to 14,606.32, 21,912.72 and 4,218.88

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Solution

The fourth proportional to 14,606.32, 21,912.72 and 4,218.88 is: 6,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.32 : 21,912.72 = 4,218.88 : x
  2. Step 2: Convert to fraction form
    14,606.32/21,912.72 = 4,218.88/x
  3. Step 3: Cross multiply
    14,606.32x = 21,912.72 × 4,218.88
  4. Step 4: Simplify right side
    14,606.32x = 92,447,136.15
  5. Step 5: Solve for x
    x = 92,447,136.15/14,606.32
  6. Step 6: Final answer
    x = 6,329.26

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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.