Home / 14,640.94-20,196.26-9,261.72

Finding the Fourth Proportional to 14,640.94, 20,196.26 and 9,261.72

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Solution

The fourth proportional to 14,640.94, 20,196.26 and 9,261.72 is: 12,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.94 : 20,196.26 = 9,261.72 : x
  2. Step 2: Convert to fraction form
    14,640.94/20,196.26 = 9,261.72/x
  3. Step 3: Cross multiply
    14,640.94x = 20,196.26 × 9,261.72
  4. Step 4: Simplify right side
    14,640.94x = 187,052,105.17
  5. Step 5: Solve for x
    x = 187,052,105.17/14,640.94
  6. Step 6: Final answer
    x = 12,775.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.