Home / 14,640.67-21,960.60-4,777.30

Finding the Fourth Proportional to 14,640.67, 21,960.60 and 4,777.30

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Solution

The fourth proportional to 14,640.67, 21,960.60 and 4,777.30 is: 7,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.67 : 21,960.60 = 4,777.30 : x
  2. Step 2: Convert to fraction form
    14,640.67/21,960.60 = 4,777.30/x
  3. Step 3: Cross multiply
    14,640.67x = 21,960.60 × 4,777.30
  4. Step 4: Simplify right side
    14,640.67x = 104,912,374.38
  5. Step 5: Solve for x
    x = 104,912,374.38/14,640.67
  6. Step 6: Final answer
    x = 7,165.82

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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.