Home / 14,640.46-21,962.79-4,777.30

Finding the Fourth Proportional to 14,640.46, 21,962.79 and 4,777.30

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Solution

The fourth proportional to 14,640.46, 21,962.79 and 4,777.30 is: 7,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.46 : 21,962.79 = 4,777.30 : x
  2. Step 2: Convert to fraction form
    14,640.46/21,962.79 = 4,777.30/x
  3. Step 3: Cross multiply
    14,640.46x = 21,962.79 × 4,777.30
  4. Step 4: Simplify right side
    14,640.46x = 104,922,836.67
  5. Step 5: Solve for x
    x = 104,922,836.67/14,640.46
  6. Step 6: Final answer
    x = 7,166.64

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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.