Home / 14,272.96-21,411.84-4,912.60

Finding the Fourth Proportional to 14,272.96, 21,411.84 and 4,912.60

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Solution

The fourth proportional to 14,272.96, 21,411.84 and 4,912.60 is: 7,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.96 : 21,411.84 = 4,912.60 : x
  2. Step 2: Convert to fraction form
    14,272.96/21,411.84 = 4,912.60/x
  3. Step 3: Cross multiply
    14,272.96x = 21,411.84 × 4,912.60
  4. Step 4: Simplify right side
    14,272.96x = 105,187,805.18
  5. Step 5: Solve for x
    x = 105,187,805.18/14,272.96
  6. Step 6: Final answer
    x = 7,369.73

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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.